Ball rolling down a ramp, illustration - Stock Image - C057/1055

Illustration of a ball on a ramp, changing colour to show the relationship between potential energy and kinetic energy. At the start the ball is stationary on the ground and has neither potential nor kinetic energy, and is grey. RUSSELL KIGHTLEY/SCIENCE PHOTO LIBRARY

Ball Rolling up a Ramp

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Energy conversion, illustration - Stock Image - C050/7492 - Science Photo Library

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Ball rolling down a ramp, illustration - Stock Image - C057/1055 - Science Photo Library

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