Energy — Test Answers

What is the best description of the energy stored in a stretched or compressed object?

spring constant

elastic potential

gravitational potential

potential energy

Which best summarizes Brandi’s statement about doing work while posing?

She did no work because she did not move the scales or sword while she posed.

She did more work using her right hand than her left because her right hand was higher.

She did work the entire time she posed because she was tired at the end.

She did no work because she did not exert any forces on objects.

At which labeled points would the skateboarder have the most kinetic energy?

W and X

X and Y

Y and Z

W and Z

Which pair of labels is correct?

B: Maximum gravitational potential energy D: Maximum kinetic energy

A: Maximum kinetic energy C: Maximum gravitational potential energy

B: Maximum kinetic energy D: Maximum gravitational potential energy

A: Maximum gravitational potential energy C: Maximum kinetic energy

How much total energy does this truck put out?

50 J

400 J

250 J

800 J

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