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Why is the mechanical advantage of using a single pulley always 1? Assume there’s no friction. A. The input force is in a different direction than the output force. B. The input force is less than the output force. C. The input force is greater than the output force. D. The input force is equal to the output force.

Respuesta :

The answer  is D. The input force is equal to the output force.

I just did test and got it right

Answer:

D) The input force is equal to the output force.

Explanation:

I got this question on a test and this was the right answer

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