ocr: ROTATIONAL ENERGY FLYWHEEL FRICTION-DRIVE TOY CAR a - iL - - - BEVEL GEARS . a - - - DRIVE WHEEL When you put effort into turning a wheel, energy will remain stored in the wheel as long as it continues to turn. The heavier the wheel and the larger its diameter, the more energy it can store. For example, pushing a friction-drive toy sets the heavy flywheel spinning, storing rotational energy. When you let the toy go, this energy 1S released, driving the toy across the floor.
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