Kinetic Energy Transfer

What happens to the brakes when the kinetic energy of the bike changes?

• They lose energy
• They heat up
• They stop working
• They cool down

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NGSS.MS-PS3-5

What happens to the kinetic energy of the bike when the brakes heat up?

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What happens to the kinetic energy of a bike or skateboard when the brakes are applied?

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If an object slows down, what happens to its kinetic energy?

• The kinetic energy decreases
• The kinetic energy is converted into potential energy
• The kinetic energy increases
• The kinetic energy remains constant

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NGSS.MS-PS3-5

How does energy transfer result in the increase or decrease of an object's kinetic energy?

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NGSS.MS-PS3-5

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When energy is transferred away from an object, what happens to its kinetic energy?

• The kinetic energy increases
• The kinetic energy remains constant
• The kinetic energy decreases
• The kinetic energy is converted into potential energy

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NGSS.MS-PS3-5

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What is the main form of energy that the kinetic energy is transferred into when the brakes are applied?

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NGSS.MS-PS3-5

What happens to the total amount of energy when the kinetic energy of an object changes?

• It increases
• It is converted to potential energy
• It remains the same
• It decreases

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NGSS.MS-PS3-5

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What is the result of the friction between the brakes and the wheels?

• The wheels stop moving
• The bike loses kinetic energy
• The bike speeds up
• The brakes cool down

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NGSS.MS-PS3-5

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When the brakes on a bike are applied, the bike slows down, which means it's losing ________ energy.

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