How can a simple machine lift a heavy load with small effort
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14
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The axle is fixed to a frame or a block. The pulley is normally fixed to a support above the load. The load is tied to one end of the rope and the effort is applied at the other end. Such a pulley makes our work easier by simply changing the direction of the force, i.e. a load is lifted up using a downward effort.
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6
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simple machine magnify or multiply the applied effort hence , a simple machine lift a heavy load.
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