作业帮describe the difference between potential energy and kinetic energy(use examples)
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describe the difference between potential energy and kinetic energy(use examples)
describe the difference between potential energy and kinetic energy(use examples)
describe the difference between potential energy and kinetic energy(use examples)
potential energy: the object have the potential or ability to do work.
E.g: gravitaional potential energy: a heavy brick held high in the air has potential energy has the ability to do work, for if it is released, it will fall to the ground, and can do work on, say, a stake, driving it into the ground.
Other potential energy such as elastic potential energy, electric potential energy.
Kinetic energy: An object in motion has the ability to do work and thus can be said to have kinetic energy.
E.g: a moving hammer does work on nail thus it drives into wood.