Question

What is the VR of a single movable pulley?

Answer 1

Explanation:

For the single movable pulley when load W is attached to one of the ends of the pulley and in order to lift the load a rope attached to the load is passed over to the pulley an effort is applied in order to raise the load by some distance.

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Answer 2

VR of a single movable pulley always stands 2 (in ideal cases, where efficiency is 100%)