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In the Case of a Block and Tackle Arrangement, the Mechanical Advantage Increases with the Number of Pulleys. Explain.

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Question

In the case of a block and tackle arrangement, the mechanical advantage increases with the number of pulleys. Explain.

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Solution

With the increase in the number of pulleys in the arrangement of block and tackle, the number of strands of string supporting the load increases and so its mechanical advantage increases.

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