Kinetic and Potential Energy

Front

What is Kinetic Energy?

Back

Kinetic Energy is the energy an object possesses due to its motion. It is calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.

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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 gravitational potential energy, calculated as PE = mgh, where m is mass, g is acceleration due to gravity, and h is height.

Front

How do you calculate Kinetic Energy?

Back

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

Front

What happens to Potential Energy when an object is raised?

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When an object is raised, its Potential Energy increases because it is at a higher position in a gravitational field.

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What happens to Kinetic Energy when speed increases?

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Kinetic Energy increases with the square of the speed. If the speed doubles, the Kinetic Energy increases by a factor of four.

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What is the relationship between Kinetic and Potential Energy?

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Kinetic and Potential Energy are forms of mechanical energy. In a closed system, energy can be transformed from one form to another, such as in a swinging pendulum.

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What is an example of an object with Kinetic Energy?

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A tennis ball rolling across the court is an example of an object with Kinetic Energy.

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What is an example of an object with Potential Energy?

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A ball resting on the edge of a cliff has Potential Energy due to its height above the ground.

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What is the effect of height on Potential Energy?

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The higher an object is positioned, the greater its Potential Energy due to the increased gravitational force acting on it.

Front

What is the formula for calculating Potential Energy?

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