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Pulleys are simple machines consisting of a wheel over which a pulled rope runs to change the direction of the pull used for lifting a load or water from well
The pulley and rope are fixed to the steel frame.
Pulley concept. Loading test lift load passenger and cargo elevator using the principle of pulley motion and force relief and the principles of dynamic force and motion of physics theory to applied.
Belt drive of Diesel engine electric generator. Close up car timing belt. Belt transmission close up. industrial technology concept background
Old pulley with rope

Free stock photospulley (3)

illustration of a pulley sphere isolated over a white backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/illustration-pulley-sphere-isolated-white-background-42639448">Image used under license from Freestock.com</a>
Legacy of winter: Row of flagpoles without flags against a partly cloudy sky in spring, northern IllinoisImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/legacy-winter-row-flagpoles-flags-partly-135347171">Image used under license from Freestock.com</a>
Tower crane with American flag at its far end, on a construction site for a high-rise buildingImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/tower-crane-american-flag-far-end-9437617">Image used under license from Freestock.com</a>

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