Kinetic and Potential Energy Explained

What is kinetic energy?

• Energy of motion

• Energy that cannot be converted

• Energy that is lost

• Energy stored in an object based on its position

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What is potential energy?

• Energy of motion

• Energy that is lost

• Energy stored in an object based on its position

• Energy that cannot be converted

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What happens to the potential energy in a bow when the string is released?

• It turns into sound energy

• It disappears

• It is converted to kinetic energy

• It remains as potential energy

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How does a pogo stick work in terms of energy?

• It does not involve energy conversion

• It converts potential energy to kinetic energy and vice versa

• It uses only potential energy

• It uses only kinetic energy

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What is demonstrated by Newton's cradle?

• Conversion of kinetic energy to potential energy

• Conversion of potential energy to sound energy

• Loss of energy in motion

• Transfer of kinetic energy through objects

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How do birds of prey use potential and kinetic energy?

• They use sound energy to hunt

• They store potential energy to dive down fast

• They do not use energy conversion

• They store kinetic energy to fly high

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What did the microphone drop experiment teach us about potential energy?

• Higher potential energy means less kinetic energy

• Higher potential energy means more kinetic energy when dropped

• Potential energy does not affect kinetic energy

• Potential energy is converted to sound energy

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What is the formula for kinetic energy?

• KE = 1/2 mgh

• KE = 1/2 mv^2

• KE = mv

• KE = mgh

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Why are wrecking balls so massive?

• To store more potential energy

• To transfer more kinetic energy

• To move faster

• To reduce sound energy

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How do engineers use knowledge of kinetic energy in designing roller coasters?

• To calculate the speed of the cart

• To design the shape of the track

• To calculate the amount of kinetic energy needed to complete loops

• To determine the mass of the cart

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