Potential and Kinetic Energy

The potential energy of an object is

• dependent on its shape

• dependent on its volume.

• dependent on its position.

• dependent on temperature.

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NGSS.MS-PS3-2

Energy due to motion is ____________ energy. 

• Potential 

• Kinetic

• Energy

• Friction

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__________ is stored energy.

• 
  Potential

• 
  Kinetic

• 
  None of the above 

• 
  All of the above 

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NGSS.MS-PS3-2

Which of the following best illustrates the law of conservation of energy?

• The work done stretching a spring is transformed into stored energy in the spring.

• Leak-proof batteries are able to store chemical energy for long periods of time

• A jogger conserves her energy by reducing the rate at which she jogs.

• ce water changes into liquid water when it absorbs heat energy.

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A basketball is being held in the hands of a player.

• Potential

• Kinetic

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NGSS.MS-PS3-2

What kind of energy is in a waving hand?

• potential

• kinetic

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Which situation explains what happens to the kinetic energy and gravitational potential energy of the ball during free fall?

• The gravitational potential energy and kinetic energy both increase

• The gravitational potential energy and kinetic energy both decrease

• The gravitational potential energy decreases, and kinetic energy increases

• The gravitational potential energy increases, and kinetic energy decreases.

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NGSS.MS-PS3-1

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Based on the picture, hill X is higher than hill Y because if hill Y were higher, the car would

• come to a complete stop at the top of hill Y.

• require additional mass to go over hill Y

• have excess kinetic energy when going over hill Y

• require additional kinetic energy to go over hill Y

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Which of the following experiments will help Gerald find out which weight will make his truck go the farthest on the track?

• an experiment that puts one of the weights in the truck, releases the truck down the track from the same starting height, records the distance traveled by the truck, and is repeated multiple times for each weight

• an experiment that puts different combinations of weights in the truck, releases the truck down the track from the same starting height, records the time it takes the truck to complete the track, and is repeated once for each combination of weights

• an experiment that puts one of the weights in the truck, releases the truck down the track from different distances, records the time traveled by the truck with this weight, and is repeated once for this weight

• an experiment that puts different combinations of weights in the truck, releases the truck down the track from different heights, records the distance traveled by the truck, and is repeated multiple times for each combination of weights

Tags

NGSS.MS-PS2-2

A rock is thrown straight up from the surface of Earth. Neglecting air resistance, which one of the following statements describes the energy transformation of the rock as it rises?

• The total energy of the rock increases

• The kinetic energy increases and the potential energy decreases

• The kinetic energy decreases and the potential energy increases

• The kinetic and potential energy of the rock remain the same

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