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Question

A simple pulley reduces the effort required to lift a heavy load.

A
True
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B
False
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Solution

The correct option is A True
Solution:
1. A pulley with one wheel allows you to reverse the direction of your lifting force by pulling down on a rope (that’s looped over the wheel), lifting your weight.
2. With a two-wheel pulley, you reduce the effort you exert to lift the same amount of weight. You lift the weight with half the force.

Hence A is the correct option

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