Energy Diagrams

What happens to Potential Energy as is travels from Point B to Point D?

• Energy is lost due to Friction

• Energy is gained due to Friction

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NGSS.MS-PS3-2

In the figure, potential energy is being converted into kinetic energy from

• point A to point B

• point B to point C

• The only energy involved here is kinetic.

• Energy is not being converted.

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Based on the diagram of a roller coaster car on a roller coaster track, what statement is true?

• The car at point A has more kinetic energy than the car at point C.

• The car at point C has less kinetic energy than the car at point B.

• The car at point C has more kinetic energy than the car at point B.

• The car at point D has less potential energy than the car at point B.

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NGSS.MS-PS3-1

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The graph shown could represent which of these?

• A book released from a height with the dotted line representing potential energy and the solid line representing kinetic energy.

• A book released from a height with the dotted line representing kinetic energy and the solid line representing potential energy.

• A pendulum released from a height with the dotted line representing potential energy and the solid line representing kinetic energy.

• A pendulum released from a height with the dotted line representing kinetic energy and the solid line representing potential energy.

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NGSS.MS-PS3-1

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Consider the pendulum. At what point is the kinetic energy the greatest?

• A.

• B.

• C.

• D.

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NGSS.MS-PS3-1

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This graph MOST LIKELY describes the potential energy and kinetic energy of a roller coaster going

• up a hill

• down a hill

• up a hill and then rolling back down the other side.

• down a hill and then rolling back up the other side.

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The mass of all bicycles and riders indicated in the graph are equal. What indicates the order of their average velocity from greatest to least?

• A, D, C, B

• D, B, C, A

• C, A, D, B

• B, C, A, D

Tags

NGSS.MS-PS3-1

Which point on the roller coaster's path represents the maximum potential energy?

• A

• B

• C

• D

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NGSS.MS-PS3-2

Examine the picture and choose the correct ETD.

• electrical E > radiant E + thermal E

• gravitational PE > mechanical E

• Chemical PE > thermal E + radiant E

• mechanical E > electrical E + mechanical E + sound E

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What does an energy diagram represent in a chemical reaction?

• The change in energy of reactants and products

• The speed of the reaction

• The temperature change during the reaction

• The color change of the reactants

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NGSS.HS-PS1-4