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Motion and Energy
Question | Answer |
---|---|
Motion | the action or process of moving or of changing place or position |
Speed | the distance something travels divided by the time it took |
Velocity | the rate of speed with which something happens |
Acceleration | the rate at which motion changes |
Energy | something that allows a body to do work |
Kinetic Energy | Energy of Motion |
Potential Energy | Stored energy due to position or changing of shape |
Mechanical Energy | energy of kinetic and potential energy combined |
Energy Conversion | conversion of a type of energy into another |
Friction | a force that works against a moving object |
law of conservation of energy | a principle of physics which states that in a closed system, energy can't be created or destroyed |