what is a pulley ? name its two types.
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There are two main types of pulleys: ... A movable pulley moves up and down with the load. The rope is attached to a fixed place like a ceiling. A movable pulley needs less effort force to move the load than a fixed pulley.
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Pulley is a simple machine and comprises of a wheel on a fixed axle, with a groove along the edges to guide a rope or cable.
two main types of pulleys: ... A movable pulley moves up and down with the load
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