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Course: High school physics - NGSS > Unit 3

Lesson 2: Forms of energy

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Understand: forms of energy

Google Classroom

A skateboarder rides down a ramp. Assume that there is no friction present.

Which of the following is true about the energy of the skateboarder?

(Choice A)
The skateboarder’s gravitational potential energy will be used up in the descent, with no mechanical energy left at the bottom of the ramp.
(Choice B)
The skateboarder starts with no mechanical energy and gains kinetic energy over time.
(Choice C)
The skateboarder’s gravitational potential energy will be converted into kinetic energy.
(Choice D)
The skateboarder’s kinetic energy will be converted into gravitational potential energy.

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