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CF- PE & KE
CONTACT FORCES: Potential & Kinetic Energy
| Term | Definition |
|---|---|
| Kinetic energy | energy that an object has due to its motion. |
| Potential energy | the energy an object has because of its position; also, the internal stored energy of an object. |
| Energy | the ability to do work or cause change. |
| Speed | the distance traveled per unit of time. It is how fast an object is moving. |
| Mass | the measure of the amount of matter in an object. |
| Law of Conservation of Energy | energy can neither be created nor destroyed - only transferred from one form of energy to another. |
| Energy transfer | a change from one form of energy to another. |
| Force | a push or pull that acts upon an object as a result of that object's interactions with its surroundings. |
| Newton | a unit of measurement that equals the force required to accelerate 1-kg of mass at 1 m/s2. |
| Balanced Forces | two forces acting on an object are equal in size but act in opposite directions; a stationary object stays still but a moving object continues to move at the same speed and in the same direction. |
| Unbalanced Forces | a force that causes a change in the motion of an object. |
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