Forms of Energy

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What is Potential Energy?

Back

Potential Energy is the energy stored in an object due to its position or state. For example, a boulder at the top of a hill has potential energy because of its height.

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What is Kinetic Energy?

Back

Kinetic Energy is the energy of an object in motion. The faster an object moves, the more kinetic energy it has.

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How does Potential Energy change as an object falls?

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As an object falls, its potential energy decreases while its kinetic energy increases, as it converts potential energy into kinetic energy.

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Where is Potential Energy greatest?

Back

Potential Energy is greatest at the highest point of an object, such as the top of a hill.

Front

What happens to Kinetic Energy when an object slows down?

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When an object slows down, its kinetic energy decreases.

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What is the relationship between Potential Energy and Kinetic Energy?

Back

Potential Energy can be converted into Kinetic Energy and vice versa, depending on the object's position and motion.

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What is friction?

Back

Friction is a force that opposes motion between two surfaces in contact. It can slow down or stop moving objects.

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How can reducing friction help an object move faster?

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Reducing friction allows an object to move more freely, which can increase its speed. For example, waxing skis reduces friction on snow.

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What is an example of Potential Energy in everyday life?

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A stretched rubber band has potential energy because it is stored energy that can be released when the band is let go.

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What is an example of Kinetic Energy in everyday life?

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A moving car has kinetic energy because it is in motion.