Simple Machine

By Quramane Flintroy

A Pulley

A pulley is a simple machine for Ex.a rope or chain of a wheel that groove rim in which change directions.

Example of a pulley

A pulley help people lift heavy things like a chair or safe
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A short twist that is use to wedge into wood to keep things to gather

Wheel and Axle

Its a lifting machine consist of rope that un rewind from a wheel