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Chapter 4 Vocabulary
Term | Definition |
---|---|
kinetic energy | energy a moving object has becase of it's motion; depends on the mass & speed of the object. |
joule | SI unit of energy. |
potential energy | stored energy an object has due to its position. |
elastic potential energy | energy stored when an object is compressed or stretched. |
chemical potential energy | energy stored in chemical bonds. |
gravitational potential energy | energy stored by objects due to their position above earth's surface & the object's mass. |
mechanical energy | sum of the potential energy & kinetic energy in a system. |
law of conservation of energy | states the energy can never by created or destroyed |