7.3 - Kinetic Energy
The kinetic energy store
- Whenever an object is moving, it has energy in its kinetic energy store.
- A stationary object has none - but a moving car, a falling apple, or a thrown ball all have energy in this store.
- As an object speeds up, energy is transferred to its kinetic energy store.
- As it slows down, energy is transferred away again.
What kinetic energy depends on
- Mass - A heavier object has more energy in its kinetic energy store than a lighter one moving at the same speed.
- Speed - A faster object has more energy in its kinetic energy store than a slower one of the same mass.
TermDefinition
Kinetic energy storeThe energy store of a moving object.