what is the main function of a pulley sentence for class 5
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A pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt, or transfer of power between the shaft and cable or belt.
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A pulley is a wheel on an axle or shaft that is designed to support movement and redirect tension . They are simple , yet powerful devices that can make small forces move large objects . pulley are used to make heavy work more manageable
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