
Kinetic Energy PdfThe objects involved might initially deform, but they immediately. Now we can understand why PV comes out in joules—it is indeed energy. the ice cube in beaker A. They have kinetic energy, too. reduces Kinetic Energy and increase Potential Energy A: The energy is stored as potential energy. A skier at the top of the mountain(a) Kinetic Energy _____2. Power Generation through Gravity and Kinetic Energy Md. Problem # 2: Calculate the kinetic energy of a 10 kg object moving with a speed of 5 m/s. Kinetic Energy = 0. From the principle of conservation of energy we conclude that the initial elastic potential energy and gravitational potential energy of the cart are converted to thermal energy (i. they annihilate, converting all of their mass into energy. kinetic energy = 1/2 (mass of object)(velocity of object)2 or KE = 1/2 mv2 or KE = 0. If a ball has kinetic energy of 1000 Joules and a speed of 5m/s, what is its mass? 6. 1 Analyze and interpret data to describe the properties and compare sources of different forms of energy (including mechanical, electrical, chemical, radiant, and thermal). These horses are clearly doing work. A New Perspective for Kinetic Theory and Heat Capacity Kent W. Directions: Determine the best match between basic types of energy and the description provided. If you release the ball, gravity will perform work on the ball and its kinetic energy will increase. Kinetic energy is the energy the object has due to its motion. Put the correct letter in the blank. It is equivalent to the work that is required in order to accelerate the object. The workkinetic energy theorem equates the net force (gravity, friction, air resistance, etc. When potential energy is transformed into motion, it becomes kinetic energy. 9 Phy107,Spring2007Lecture9 4 Energy content Suppose the energy in gasoline was converted completely into kinetic energy of a 1000 kg car. The word energy comes from the. A Joule is a kilogram x meters/seconds. Potential energy can be viewed as motion waiting to happen. Since the expression ½mv2 is defined as the kinetic energy of a particle of mass m, speed v, our definition is modified to: Consider a particle, mass m, speed v, being moved along the xaxis by a force of magnitude F. These four simple experiments show children the effects of kinetic energy and how it is transferred between objects. Whenever you detect motion, heat, light, or sound, you can be sure that energy is at work. Tags: Question 13. Kinetic Energy Practice Problems 1. 4 Kinetic Energy and the Work — Kinetic Energy Theorem 195 Kinetic energy is a scalar quantity and has the same units as work. As we know that kinetic energy is the energy of motion. Gasoline in a storage tank(b) Potential Energy ___a___3. A taller track gives the roller coaster more energy than a shorter one. 7 Work Done, Potential and Kinetic Energy Students should be able to: 1. The beakers both contain the same substance. 1 Kinetic Energy For an object with mass m and speed v, the kinetic energy is deﬁned as K = 1 2 mv2 (6. • The L2 operator needs to commute with the kinetic energy operator in order to commute with Hamiltonian operator as Hamiltonian operator is the sum of potential and kinetic energy. i 2 (1) For a constant force in the direction of motion (taken to be along the xaxis), W = F·x, where x is the distance moved while the force is applied. Use the gravitational potential energy equation, and rearrange it to solve for height. Potential / Kinetic Energy Remedial Exercise This Conceptual Physics exercise will help you in understanding the Law of Conservation of Energy, and its application to Kinetic Molecular Theory  POGIL. Energy harvesting as alternative for micropowering • Photons: Light , Infrared, Radio Frequencies • Kinetic: vibrations, human motion, wind, hydro • Thermal: temperature gradients • Biochemical: glucose, metabolic reactions • Ultra capacitors • Rechargeable Batteries 5 • Low power devices • Wireless Sensors • MEMS actuators. Mathematically, it is expressed as onehalf of the product of the mass of the object (in kilograms), times the square of the objects speed (in meters/sec). Kinetic energy is the energy of motion. This energy can be converted into other kinds, such as gravitational or electric potential energy, which is the energy that an object has because of its position in a gravitational or electric field. That energy would be stored in the ball as potential energy. Kinetic Energy Recovery Systems (KERS) is a type of regenerative braking system which has different approaches to store and reuse the. In DataStudio, double click on the calculation for Kinetic Energy in the Summary Window. Potential energy is a form of stored energy that can be converted to kinetic once the object or system is set in motion. Electrical power is. Throw the ball into the bucket and have students note the larger splash. kinetic energy under braking and also to convert the usual loss in kinetic energy into gain in kinetic energy. In measuring work, only the part of the force that is along the displacement vector counts as work. Kinetic Molecular Theory Worksheet 1. The energy is released as molecules in a hot object cool and slow their motion. modeling the system as a point particle with all of its mass concentrated at its center of mass) is called translational kinetic energy. , translating and rotating simultaneously, the total kinetic energy of. Problem # 2: Calculate the kinetic energy of a 10 kg object moving with a speed of 5 m/s. B–&pointb& 4. I cut out the Kinetic and Potential Energy mats and glued them inside a color file folder. Showoff&whatyouknow!& KEY& & 1. Potential energy is the energy an object has due to its position, shape, or condition. Create a “choice board” containing places (highway, farm, supermarket, factory, playground, amusement park, restaurant, harbor, etc. What is the system's potential energy when its kinetic energy is equal to ? Hint A. In DataStudio, double click on the calculation for Kinetic Energy in the Summary Window. If all of the objects potential energy is converted into kinetic energy just before it hits the. A skier at the top of the mountain(a) Kinetic Energy _____2. What you need to know about Kinetic Energy depends on the paper you are sitting at the time. In order for accepted theory. ” Heat is. The kinetic energy of moving water powers hydroelectric dams that provide electricity. An object gets potential energy from height, mass and gravity. If it is due to the position, structure of matter, or composition, it is called potential energy. the ice cube in beaker A. The randomness arises from the particles' many collisions with each other and with the walls of the container. Since the energy of an object must be. Section 4 Molecular Rotation and Vibration Chapter 13 Treating the full internal nuclearmotion dynamics of a polyatomic molecule is complicated. MIDDLE SCHOOL PHYSICAL SCIENCE: KINETIC ENERGY AND POTENTIAL ENERGY Standards Bundle Standards are listed within the bundle. Kinetic energy is a property of a moving object or particle and depends not only on its motion but also on its mass. Kinetic energy can be defined as the work needed to accelerate an object of a given mass from rest to its stated velocity. Kinetic energy is the energy of motion. 9) Sam is at the skate park. Potential Energy Transforming Into Kinetic Energy Directions: List and describe five examples of potential energy transforming into kinetic energy. Throw the ball into the bucket and have students note the larger splash. Lin 1 Show all work for the following questions, including the equation and substitution with units. S10 Notes Kinetic Energy SCI 10 ENERGY OF MOTION. Radiant Energy –electromagnetic waves of light (Solar Energy = specifically from the Sun) 2. Gasoline in a storage tank(b) Potential Energy ___a___3. In which scenario below does the ball have more gravitational potential energy when sitting at the top? Why? 5. ” Heat is. The energy that an object has due to its motion. (Example: A heavier truck travelling at 60km/h possesses more kinetic energy than a lighter car travelling at 60km/h. We know that work is said to be done only when a body moves a certain distance in the direction of […]. pdf), Text File (. • "Kinetic" means movement! • When stored energy is being used up, it is making things move or happen. 8A Compare and contrast potential and kinetic energy. During falling, Kinetic Energy will increase mg∆h. Some of the energy will become heat, due to viscous friction between the falling water and the pool water. The amount of kinetic energy an object possesses depends on two factors: 1. It is equivalent to the work that is required in order to accelerate the object. Kinetic Energy How Do the Mass and Velocity of an Object Affect Its Kinetic Energy? Introduction When law enforcement officials investigate car crashes (see Figure L13. MOVE Central question:. KINETIC AND POTENTIAL ENERGY WORKSHEET Determine whether the objects in the following problems have kinetic or potential energy. We can get that energy back as kinetic E if the ball falls back off. Use the Calculator to make a calculation for Kinetic Energy. PDF  This chapter introduces principles of normal kinetic energy harvesting and adaptive kinetic energy harvesting. The Kinetic Energy (E k) of an object depends on both its mass (m) and its speed (v). The ball is transferring light energy to the air. A Small Kinetic Energy Change • Suppose the velocity of a mass. Energy is found in different forms, such as light, heat, sound and motion. It is stored energy with the. Why doesn’t it ever bounce back to the original height? Because not all of the potential energy becomes kinetic — some instead becomes. Explain how speed and weight affect an amount of kinetic energy. Media in category "Kinetic energy" The following 163 files are in this category, out of 163 total. Energy Potential Energy Kinetic Energy Changing Kinetic & Potential. List the given and unknown values. Kinetic energy is the energy an object has due to its motion. Ed Ashby Prologue To understand the relationship between an arrow’s kinetic energy, its momentum, and their implications towards the ability of a hunting arrow to penetrate tissues, one must rely on the laws of physics. What was the speed of the pie? 1. Kinetic Energy: Think About It. Then choose the correct formula to use: KE = 1/2 m v2 OR PE = mgh = Fwh 1. While riding a bicycle, the muscular energy of the rider gets transferred into heat energy and kinetic energy of the bicycle. The higher the temperature, the greater the motion. May 2015 Permission to publish this paper, in full or in part, with credit to the Author and to the Society, may be obtained by request to: Society of Allied Weight. In the diagram below, the spring has a force constant of 5000 N/m, the block has a mass of 6. 4 Small Oscillations: One degree of freedom. Electrical Energy –energy flowing in an electric circuit. CONVERSION OF MAGNETIC FIELD ENERGY INTO KINETIC ENERGY IN THE SOLAR WIND Y. At the atomic scale, the kinetic energy of atoms and molecules is sometimes referred to as heat energy. You probably won’t be asked to solve questions of this kind on physics tests because,. If it is due to the position, structure of matter, or composition, it is called potential energy. a) The devices shown below transfer electrical energy in different ways. The Kinetic Energy (E k) of an object depends on both its mass (m) and its speed (v). KINETIC ENERGY Kinetic energy is motion––of waves, electrons, atoms, molecules, substances, and objects. Potential energy is stored energy resulting from any force which depends only on position (e. Example 2: Calculate the rotational kinetic energy of a curveball rotating at 2400rpm about the center. As indicated in the derivation, Bernoulli's theorem holds rigorously only for frictionless, incompressible, streamline flow. There are two components to the lab, Experiment #1: The Attracting Magnets. Therefore, we don't need the second term and an object's kinetic energy is just… K = ½mv 2. The randomness arises from the particles' many collisions with each other and with the walls of the container. Kinetic energy is the energy an object has due to its motion. Potential energy increases. Kinetic Energy. For example, when a roller coaster. There are many uses of kinetic energy in sports. 1 that identified the form of energy. KERS by means of FES are currently under development both for motor sport and road hybrid vehicles. From PE to KE. oil & other fossil fuels and in the food we eat. It is the energy that holds these particles together. Energy can be converted to heat through frictional dissipation. The energy in a dynamic system consists of the kinetic energy and the potential energy. Londonbased startup Pavegen has developed a special energyharvesting tile – made from 95% recycled tyres – that flexes by 5mm when stepped on, resulting in up to 8 watts of kinetic energy over the duration of the footstep. Kinetic Theory Notes For Class 11 Chapter 13 Download PDF and E is the kinetic energy per unit volume. CONVERSION OF MAGNETIC FIELD ENERGY INTO KINETIC ENERGY IN THE SOLAR WIND Y. Inelastic Collisions 5. 1) Kinetic energy is a scalar (it has magnitude but no direction); it is always a positive number; and it has SI units of kg · m2/s2. If it is due to the position, structure of matter, or composition, it is called potential energy. When they collide at a high rate of speed, their kinetic energies collide causing a lot of damage. The kinetic energy of an object is the energy it has because of its motion. What is the system's potential energy when its kinetic energy is equal to ? Hint A. Some of the energy will become heat, due to viscous friction between the falling water and the pool water. Put the correct letter in the blank. As you can see from the equation below, the. This paper attempts to show how man has been utilizing and optimizing kinetic energy. Qualitative Definition of Energy Most dictionaries define energy as "the capacity to do work. Within that space they fit the GPS tracker, a Cellular module, some kind of power supply (battery? or super capacitor maybe?) and a kinetic (motion) charger. kinetic energy. When a golf ball is hit, it travels at 41 meters per second. An object that has motion  whether it is vertical or horizontal motion  has kinetic energy. I cut out the Kinetic and Potential Energy mats and glued them inside a color file folder. A racecare traveling at its maximum speed(c) Both forms. 1 How to approach the problem Since the sum of kinetic and potential energies of the system is equal to the system's total energy, if you know the fraction of total energy corresponding to kinetic energy you can calculate how much energy is potential energy. Kinetic energy can be transferred between objects or changed into potential energy. That means that With two equations and two unknowns, vf1 and vf2, you can solve for those unknowns in terms of the masses and vo1. 0 kg bantha poodoo is dropped from a height of 7. Regardless of the type, energy exists in two basic states: potential energy and kinetic energy. Kinetic Energy Practice Problems 1. Worksheet: Kinetic Vs Potential Energy from MrTerrysScience on… This a more mature activity, could possibly be used as a test or quiz sheet. A skier at the top of the mountain(a) Kinetic Energy ___b___2. points along a streamline the sum of the pressure, the potential energy of a unit volume offluid, and the kinetic energy of a unit volume of fluid has the same value. PE is measured in Joules (J). The Fundamental Difference Between Kinetic and Potential Energy Energy is something that is at work everywhere around us all the time. “scalar” which defines a state of a system at a given time. Kinetic Energy Solved Examples. WORK Whenever a force acting on a body produces a change in the position of the body, work is said to be done by the force. May 2015 Permission to publish this paper, in full or in part, with credit to the Author and to the Society, may be obtained by request to: Society of Allied Weight. Kinetic Energy, Heat, 7. Potential energy (PE) is a stored form of energy that can produce motion, i. Basically clearing blocks and interferences from the biofield. Kinetic energy can be due to vibration, rotation, or translation (movement from one place to another). correct formula to use: KE= 1/2 m v2. They have kinetic energy, too. gravitational energy. The beaker in Figure 2 with the greater AVERAGE kinetic energy is 25. com The currently accepted kinetic theory considers that a gas’ kinetic energy is purely translational and then applies equipartition/degrees of freedom. Potential and Kinetic Energy: The Roller Coaster Lab This lab illustrates the type of energy conversions that are experienced on a roller coaster, and as a method of enhancing the students’ understanding of that concept they. You serve a volleyball with a mass of 2. A taller track gives the roller coaster more energy than a shorter one. High density areas will be fitted with kinetic energy collecting sidewalks and hallways. Although this method is not constructive, it allows. Ed Ashby Prologue To understand the relationship between an arrow’s kinetic energy, its momentum, and their implications towards the ability of a hunting arrow to penetrate tissues, one must rely on the laws of physics. Calculating kinetic energy If we know the mass of an object and its velocity we can determine the amount of kinetic energy. The two basic types of energy. It is stored energy with the. The Effect of pH and Temperature on the Kinetic Parameters of Phosphoglucose I somerase PARTICIPATION OF HISTIDINE AND LYSINE IN A PROPOSED DUAL FUNCTIOn' MECHANISM* (Received for publication, June 8, 1967) JOHN E. Underneath are questions on Kinetic energy which aids one to understand where they can use these questions. Consider a vertical spring oscillating with mass m attached to one end. When cars travel at high speeds, their kinetic energy is higher. The mass of a baseball is 145g and it has a radius of 3. Part 1: Using Conservation of Energy to Solve Mechanics Problems. Any moving object has kinetic energy. Substantial amounts of researches were conducted to investigate the feasibility of converting the kinetic energy into electricity. Kinetic energy can be due to vibration, rotation, or translation (movement from one place to another). The randomness arises from the particles' many collisions with each other and with the walls of the container. In practice, it is hard to measure v, the speed of the mass. Chemical Energy –energy stored in matter 3. The energy that an object has due to its motion. I cut out the Kinetic and Potential Energy mats and glued them inside a color file folder. An 80 N force has been applied to a block and move it 20 m along the direction of the force. The equation to be used to calculate kinetic energy ( E k) is 3. Kinetic energy is the amount of energy an object has due to its mass and its speed. TEKS Lesson 6. 18 Chemical Kinetics What we're after in kinetics • We want to be able to understand and predict how much reactants remain (or products get formed) in a certain amount of time. The workkinetic energy theorem equates the net force (gravity, friction, air resistance, etc. Atoms, which are the tiniest particles of matter, are also in motion. PDF  Kinetic energy is considered as one of the renewable energies. 20 seconds later: 4 m/s Initial system During energy KE W. Kinetic energy of a rigid body (cont) rotational kinetic energy (of the whole body) body inertia matrix (around the CoM) König theorem + Robotics 2 11 Ex #1: provide the expressions. A 70kg man is walking at a speed of 2. Definition of kinetic energy and how to calculate it. There are many forms of energy such as kinetic, potential, thermal, gravitational, sound, light, electromagnetic, chemical and nuclear energy. Wind Energy  Energy from Moving Air Energy from the Wind The History of Wind How Wind Machines Work Types of Wind Machines Wind Power Plants Wind Production Wind and the Environment Links to Wind Materials Renewable Slide Show  watch and listen ENERGY FROM WIND Wind is simple air in motion. The frictionless roller coaster is a classic potential and kinetic energy example problem. Energy cannot be created or destroyed. 19 =H Friction Slope: Sf =  dH/dx Channel Slope: So =  dz/dx x What do we do with ? • For simple channels assume = 1 • For complex channels (main channel plus left and rightbank floodplains), velocity variation at a given station can be significant, and. How to use energy in a sentence. What is kinetic energy? a. 9 Phy107,Spring2007Lecture9 4 Energy content Suppose the energy in gasoline was converted completely into kinetic energy of a 1000 kg car. When the position is changed, the total energy remains unchanged but is converted to a different type of energy, like kinetic energy. What is the kinetic energy of an 80kg athlete, running at 10 m/s? The Chicxulub crater in Yucatan, one of the largest existing impact craters on Earth, is thought to have been created by an asteroid, traveling at 22 km/s and releasing 4. ), which requires no periodical replacement unlike. 0 kg traveling at a speed of 2. Kinetic energy is the energy of objects at rest; potential energy is the energy of objects in motion. The Kinetic Energy (E k) of an object depends on both its mass (m) and its speed (v). KE = 1 2 mv 2, measured in Joules. MSPS33, MSPS34 Temperature is a measure of the average kinetic energy of particles of matter. When the PE is due to an objects height then:. doc — Microsoft Word Document, 123 kB (126464 bytes) Document Actions. o Kinetic & Potential Energy Images ["You Do" or "We Do"] . sound energy. 10) The SI unit of electric potential is volt (V): 1volt =1 joule/coulomb (1 V= 1 J/C) (3. 18 Chemical Kinetics What we're after in kinetics • We want to be able to understand and predict how much reactants remain (or products get formed) in a certain amount of time. A student is hit with a 1 kg pumpkin pie. Energy in nonturbulent fluid flow comes in three forms: (pages 154156) Pressure energy Energy of motion or kinetic energy Potential energy due to the relative heights of the water We will take about energy densities; i. Potential energy is that energy which an object has because of its position. Energy is not being converted 7) In the figure, potential energy is being converted into kinetic energy from a. An object with kinetic energy has energy stored in motion. Physics I Workbook For Dummies, 2nd Edition. 20 seconds later: 4 m/s Initial system During energy KE W. Determine the work done on the cart by (a) the spring and (b) the weight. This point of view deserves to be emphasised in a pedagogical exposition, because it provides clear insights on the reasons why momentum and energy are deﬁned the way. Potential energy is stored energy. Inelastic Collisions 5. Now, let Õs talk about a second form of energy Potential energy Imagine you are standing on top of half dome in Yosemite valley, holding a rock in your hand. A rock on the edge of a cliff or a stretched rubber band has another kind of energy. 2 Recognise that when work is done energy is transferred from one form to another 1. Hence, it is a kind of kinetic energy. The kinetic energy, which arises from electron motion, is K = ½mv2. Analyze data to explain the heating and cooling of land, air, and water. Potential energy is energy attributed to an object by virtue of its position. 0 m/s has a kinetic energy of 16 J. Physics I Workbook For Dummies, 2nd Edition. The mass of a golf ball is 0. In which scenario below does the ball have more gravitational potential energy when sitting at the top? Why? 5. Learn more about Quia: Create your own activities. The derivation of the energy equation starts with the assumption that the electron in its orbit has both kinetic and potential energy, E = K + U. MSPS35 Construct, use, and present arguments to support the claim that when the kinetic energy of an object changes, energy is transferred to or from the object. Kinetic energy is energy at work. Define kinetic energy. Oregon OSHA’s guide to controlling hazardous energy Understanding energy Energy and motion Energy is the power for doing work. A rock on the edge of a cliff or a stretched rubber band has another kind of energy. 1) Kinetic energy is a scalar (it has magnitude but no direction); it is always a positive number; and it has SI units of kg · m2/s2. As mentioned previously, the determination of the flow macroscopic turbulent kinetic energy follows two different paths in the literature. Potential Energy Kinetic energy is the type of energy, which a body possesses by the property of being in the motion. 9 × 3000 = 27000. An object with kinetic energy has energy stored in motion. Kinetic energy can be defined as 2. Solve the following word problems using the kinetic and potential energy formulas (Be sure to show your work!) 15. Email: Kent. Rayleigh’s energy method Rayleigh’s method is based on the principle of conservation of energy. Potential energy is that energy which an object has because of its position. energy was dropping but it gained kinetic energy as it accelerated and gained speed. to as energy of position. 00 m for every 10. 2 Energy in Earth Systems: Potential and Kinetic Energy 1 Science Matters 6. Because of collisions between molecules, an individual molecule's kinetic energy can be changing rapidly, even though the temperature of the system is constant. 2 Recognise that when work is done energy is transferred from one form to another 1. This energy can travel through space or medium. In physics, you can convert kinetic energy into potential energy and back again using conservation of energy. 23 kg/m3 at sea level), so the mass of air hitting our wind turbine. 1 kg object will be 100 times greater than the kinetic energy of the 10 kg object. Momentum Kinetic Energy SI unit: kgm/s SI unit: J vector scalar KE = mv. Something which is moving like a car is using kinetic energy, something which stores energy like a battery has potential energy. contribution of kinetic energy was neglected during your lab. 4 KINETIC ENERGY As noted earlier, if an object of mass m has velocity v, its kinetic energy K is K m mv 2 1 1 = = 2 2 v v. If you're behind a web filter, please make sure that the domains *. Kinetic energy is related to momentum through the relation E = p^2 / 2m and hence translational kinetic energy is calculated as E = ½ mv^2. o Changing Kinetic & Potential Energy QR Activity ["We Do"]: Students work in groups of 23. nonkinetic energy (NKE) weapons, by which is meant those weapons that seek to achieve their purpose other than through the threat or application of force to the human body. All moving objects, large and small, possess kinetic energy (Figure 1). Work, Kinetic Energy and Potential Energy 6. a ball in your hand has more potential energy than a ball on the ground. How many joules of kinetic energy could he give to a ball? 5. All moving objects, large and small, possess kinetic energy (Figure 1). When they collide at a high rate of speed, their kinetic energies collide causing a lot of damage. kinetic energy under braking and also to convert the usual loss in kinetic energy into gain in kinetic energy. Electrostatic Conversion for Vibration Energy Harvesting, S. So changing kinetic energy can happen two ways: 1. %This%is%called%anenergy’. D–&both&aand&c& 2. Future of Kinetic Energy: Generation As prices fall and efficiency rises the use of energy generating devises from kinetic energy will rise. 2 Potential and Kinetic Energy builds on 6. Flywheels store energy until it is needed. For example, you'd use kinetic energy to lift a ball to the top of a ramp. We can overcome this by looking for points at which the speed is zero. Kinetic energy is the energy of objects at rest; potential energy is the energy of objects in motion. Boisseau, G. Rotational Kinetic Energy 2 Rotational Kinetic Energy Energy associated with rotation is given by an equation analogous to that for straightline motion. Kinetic energy of an object is (Kinetic Energy) = ½ x (Mass) x (Speed)2 KE = ½ m •v2 where m is mass of object in kg and v is speed in m/s. Mastering Physics Solutions Chapter 7 Work And Kinetic Energy Mastering Physics Solutions Chapter 7 Work And Kinetic Energy Q. Physics I Workbook For Dummies, 2nd Edition. Work Energy and Power. Which of these has kinetic energy? (a). The common way to specify mass drivers is to quote the kinetic energy that an object will have. Kinetic energy is the energy of mass in motion. • "Kinetic" means movement! • When stored energy is being used up, it is making things move or happen. Kinetic Theory Notes For Class 11 Chapter 13 Download PDF and E is the kinetic energy per unit volume. Try to get all of the words into 10. %This%is%called%anenergy’. A typical particle, i, will have a mass m i, an absolute velocity v i, and a kinetic energy T. A skier at the top of the mountain(a) Kinetic Energy ___b___2. When the force stops the puck moves at a constant speed across the table – its kinetic energy is now constant. 8A: Kinetic and Potential Energy What are kinetic and potential energy? Energy is the ability to do work or cause change. 