China factory Compound Pulley near me manufacturer

A simple machine called a pulley helps a person raise and lower the flag. A pulley is a wheel with a groove in it, and a rope in the groove. … Examples of Compound Pulleys: A compound pulley is a combination of the simple and moveable pulley.
A pulley is a rope wrapped around a wheel. It changes the direction of force. A basic compound pulley has a rope attached to a stationary point looped around 1 wheel and then around a second wheel. Pulling on the rope pulls the 2 wheels closer together.

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