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Question

Which type of pulley is helpful in changing the direction of effort?


A

Fixed pulley

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B

Movable pulley

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C

Compound pulley

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D

Triple pulley

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Solution

The correct options are
A

Fixed pulley


C

Compound pulley


A single or a fixed pulley and the compound pulleys help in changing the direction of an effort or application of force. This helps in reducing our force of application to lift a heavy load. It's good to have an effort in the downward direction.


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