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PS Ch 4
Vocabulary
Term | Definition |
---|---|
Kinetic Energy | energy a moving object has become of its motion; depends on the mass and speed of the object. |
Joule | SI unit of energy. |
Potential Energy | stored energy an object has due to its position. |
Elastic Potential Engery | 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; depends on the distance above Earth's surface and the object's mass. |
Mechanical Energy | sum of the potential energy and kinetic energy in a system. |
Law of Conservation of Energy | states that energy can never be created or destroyed. |