ocr: PRINCIPLES OF SCIENCE- WHEELS HE CIRCULAR SHAPE ofa wheel allows - it to roll smoothly and transmit power continuously - that's why most vehicles use wheels. The wheel, however; has many other uses:for example, a flywheel can store energy, bicycle wheels help you balance, and a car steering wheel helps you produce a large force with little effort. L 2. a E HRIE AXLE WHEEL Properties ofWheels Wheel and Axle Related Machines
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