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Power point presentation on kinetic energy and potential energy


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Power point presentation on kinetic energy and potential energy

  1. 1. Submitted by, Sheeba S, Physical Science, Christ Nagar College of Education, Thiruvallam
  2. 2. Potential Energy & Kinetic Energy
  3. 3. What is ENERGY? • Energy is the ability to do work. • Everything that happens in the world uses energy! • Most of the time we can’t see energy, but it is everywhere around us!
  4. 4. Energy… • can NEVER be created nor be destroyed! • can only be STORED or TRANSFERRED.
  5. 5. Batteries store energy! This car uses a lot of energy We get our energy from FOOD! Even this sleeping puppy is using stored energy.
  6. 6. Remember: ALL matter is made up of particles. The particles NEVER stop moving.
  7. 7. How is all energy divided? Kinetic Energy All Energy Potential Energy Gravitational Potential Energy Elastic Potential Energy Chemical Potential Energy
  8. 8. Potential Energy is… • The energy stored in an object. • "Potential" simply means the energy that has the ability to do something useful later on.
  9. 9. What is Gravitational Potential Energy? o Potential energy due to an object’s position o P.E. = mass x height x gravity Don’t look down, Rover! Good boy!
  10. 10. What is Elastic Potential Energy? o Potential energy due to compression or expansion of an elastic object. Notice the ball compressing and expanding
  11. 11. What is Chemical Potential Energy? o Potential energy stored within the chemical bonds of an object w
  12. 12. Kinetic Energy is… • The energy of a moving object. • "Kinetic" means movement! • When stored energy is being used up, it is making things move or happen.
  13. 13. Examples of Kinetic Energy