Question

PULLEY
A pulley is a simple machine which helps
lift heavy loads. It makes our work
easier by changing the direction in which the
force has to be applied. Thus in a pulley, an
effort is applied in one direction and the load
moves in the other direction. For example,
it is difficult to lift a bucketful of water by
a leve pulling the rope vertically. With the help of
a pulley the bucket can be easily lifted as it
helps to apply force in a downward direction.
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Answer 1

Answer:

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