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21. What is the difference between potential energy and kinetic energy?

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Final answer:

Potential energy is the energy an object possesses based on its position or condition, while kinetic energy is the energy it possesses due to its motion.


Step-by-step explanation:

Potential energy is the energy that an object possesses due to its position or condition, such as gravitational potential energy or elastic potential energy. It is the stored energy that can be converted into kinetic energy when the object is in motion. Kinetic energy, on the other hand, is the energy of an object in motion, and it depends on both its mass and velocity.

For example, a ball sitting at the top of a hill has potential energy due to its elevated position. When the ball is released and starts rolling down the hill, its potential energy is converted into kinetic energy. As the ball gains speed, its kinetic energy increases.

In summary, potential energy is the energy an object possesses based on its position or condition, while kinetic energy is the energy it possesses due to its motion.


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