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

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

70+ Ball Rolling Down Stock Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock

300+ Ball Rolling Down Stock Photos, Pictures & Royalty-Free Images - iStock

70+ Ball Rolling Down Stock Illustrations, Royalty-Free Vector Graphics & Clip Art - iStock

35 Rolling Ball Up Hill Stock Photos, High-Res Pictures, and Images - Getty Images

Science Assessment ~ Topics ~ Energy: Forms, Transformation, Transfer, and Conservation ~ Item NG015004 ~ Student Performance

marble down a ramp - Clip Art Library

517 Ball Rolling Down Royalty-Free Images, Stock Photos & Pictures

Ball Falling - Stock Image - C022/1896 - Science Photo Library

Lesson Explainer: Rotational Kinematics

Ball Accelerating - Stock Image - C017/3913 - Science Photo Library

300+ Ball Rolling Down Stock Photos, Pictures & Royalty-Free Images - iStock