A pulley is a simple machine consisting of a wheel with a groove around its edge, through which a rope or string passes. It is used to lift or move loads more easily by changing the direction or magnitude of force
It is used to lift or move loads more easily
A pulley is a simple machine consisting of a wheel with a groove around its edge, through which a rope or string passes. It is used to lift or move loads more easily by changing the direction or magnitude of force
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