Kinetic and Potential 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. It is the energy that has the potential to do work.

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Front

What is Kinetic Energy?

Back

Kinetic Energy is the energy of an object in motion. It depends on the mass of the object and the square of its velocity.

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How is Kinetic Energy calculated?

Back

Kinetic Energy (KE) is calculated using the formula: KE = 1/2 mv², where m is mass and v is velocity.

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Front

What happens to Potential Energy as an object falls?

Back

As an object falls, its Potential Energy decreases while its Kinetic Energy increases, assuming no energy is lost to air resistance.

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What is the relationship between Potential and Kinetic Energy in a pendulum?

Back

In a pendulum, Potential Energy is highest at the highest points of the swing, while Kinetic Energy is highest at the lowest point.

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NGSS.MS-PS3-2

Front

What type of energy does a compressed spring have?

Back

A compressed spring has Potential Energy due to its position and the force applied to compress it.

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What type of energy does a moving car have?

Back

A moving car has Kinetic Energy because it is in motion.

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Front

At what point does a roller coaster have maximum Potential Energy?

Back

A roller coaster has maximum Potential Energy at the highest point of the track.

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Front

At what point does a roller coaster have maximum Kinetic Energy?

Back

A roller coaster has maximum Kinetic Energy at the lowest point of the track.

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What is the unit of energy?

Back

The unit of energy is the Joule (J).

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