matteo presentation of wheels and axle
Post on 30-May-2015
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Created by Matteo Troka
It is a circular frame.An axle goes through the center of a wheel.The wheel revolves around an axle.Sometimes a wheel and an axle turn together.A solid disk or a rigid circular ring attached
to a hub by spokes, designed to rotate on an axle.
Wheels and axles were invented over 8,000 years ago.
It is still a mystery of who invented it.It was made in Asia.
A windmill is a wheel and axle because the rod and the paddles spin around together.
A car has wheels and axles so it can move.A biplane has wheels and axles because the
propeller is the wheel and the rod is the axle.
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