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Simple Machines - Coggle Diagram
Simple Machines
Pulley
A pulley is made with two or more wheels and a string that join both wheels together. When one end of the string is being pulled, both wheels will rotate at the same time
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Wheel and Axle
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Example: when an object that weighs 20N is place on a wheel barrel, it only require 10N to push the object to make it move
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