A single fixed pulley can change the ______ of the force applied on the load.

magnitude

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direction

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(a) and (b) above.

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None of the above

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Solution

The correct option is C (a) and (b) above.
A single fixed pulley consists of a simple metallic disc attached to a high platform, and around its groove, a rope is passed. The load is tied to one end of the rope, and the effort is applied to the other.
When the effort is applied in downward direction as shown above, it acts on the load in upward direction.

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