Potential and Kinetic Energy

Front

What is Kinetic Energy?

Back

Kinetic Energy is the energy an object possesses due to its motion. It depends on the mass of the object and the speed at which it is moving.

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What is Potential Energy?

Back

Potential Energy is the stored energy in an object due to its position or state. It is often associated with the height of an object above the ground.

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What is the formula for calculating Kinetic Energy?

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The formula for Kinetic Energy (KE) is KE = 1/2 mv², where m is mass and v is velocity.

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What is the formula for calculating Potential Energy?

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The formula for Potential Energy (PE) is PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.

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What unit is used to measure energy?

Back

The unit used to measure both Potential Energy and Kinetic Energy is the Joule.

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How does height affect Potential Energy?

Back

The higher an object is, the more Potential Energy it has, because Potential Energy is directly proportional to height.

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How does mass affect Kinetic Energy?

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The more massive an object is, the more Kinetic Energy it has at a given speed, since Kinetic Energy depends on mass.

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What happens to Kinetic Energy when an object slows down?

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As an object slows down, its Kinetic Energy decreases because Kinetic Energy is related to the square of its speed.

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

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As an object falls, its Potential Energy decreases while its Kinetic Energy increases, demonstrating the conservation of energy.

Front

What type of energy does a car have when it is parked at the top of a hill?

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A car parked at the top of a hill has Potential Energy due to its height.