6.8A Potential and Kinetic Energy

A cart carrying a brick is pulled up an inclined plane. At what point does the cart have the greatest amount of potential energy?

• A

• B

• C

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NGSS.MS-PS2-4

NGSS.MS-PS3-2

Roller coasters use potential and kinetic energy to move carts around the track. Which selection below organizes the points of potential energy from GREATEST to LEAST?

• C, D, H, K, N

• B, D, H, J, L

• A, D, H, K, M

• A, E, G, I, M

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NGSS.MS-PS3-2

A rock falls over a waterfall as shown in the diagram. At which point does the rock have the most potential energy?

• 2

• 3

• 4

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NGSS.MS-PS2-4

In the classroom demonstration shown below, a rubber ball is dropped from Position 1. The ball bounces as shown. At which of these positions does the ball have both the greatest kinetic energy and the least PE?

• 1

• 2

• 3

• 4

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NGSS.MS-PS3-1

NGSS.MS-PS3-5

According to the above diagram, at what point would the roller coaster car have the greatest kinetic energy?

• 3

• 4

• 5

• 6

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NGSS.MS-PS3-1

NGSS.MS-PS3-4

The drawing shows two identical airplanes at an air show. The airplanes are flying at the same speed. Airplane W is flying 50 m higher than Airplane X. Which statement best describes the energy of the two airplanes?

• Airplane W has a greater kinetic energy than Airplane X.

• The two airplanes have the same gravitational potential energy but different kinetic energies.

• Airplane X has more gravitational potential energy than Airplane W.

• The two airplanes have the same kinetic energy but different gravitational potential energies.

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NGSS.MS-PS3-2

A bicycle rider is traveling up a hill. When the rider reaches the top of the hill, she stops to rest. Then she travels down the hill. The diagram shows the rider in the three different positions.Which of these correctly

• When the rider is at the top of the hill, her potential energy is the greatest, and her kinetic energy is the least.

• As the rider moves up the hill, her kinetic energy increases, and her potential energy decreases.

• When the rider goes down the hill, her potential energy increases, and her kinetic energy decreases.

• As the rider reaches the bottom of the hill, her kinetic energy and her potential energy decrease.

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NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5

Potential energy depends on the ________ and ________ of the object.

• Speed and Direction

• Height and Mass

• State of Matter and Properties

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NGSS.MS-PS3-2

When a pendulum swings, at which point is potential energy at its greatest?

• 5

• 4

• 3

• 2

• 1

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NGSS.MS-PS3-2

When the pendulum swings, at which point is potential and kinetic energy are 50%?

• 1

• 2

• 3

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NGSS.MS-PS3-1

NGSS.MS-PS3-2

NGSS.MS-PS3-5