In the following pulley system the utility of the fixed pulley is to

To increase MA

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To increase VR

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To decrease tension

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To reverse the direction of Effort in a convenient direction

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Solution

The correct option is D
To reverse the direction of Effort in a convenient direction

The fixed pulley serves to change the direction of application of effort in a convenient direction which is along gravity as compared to a Single Movable pulley system.

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Similar questions

A single fixed pulley is used because it :

(a) ha sthe mechanical advantage greater than 1

(b) has the velocity ratio less than 1

(d) helps to apply the effort in a convenient direction.

3

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

Give reasons for the following :

(a) In a single fixed pulley, the velocity ratio is always more than the mechanical advantage.

(b) The efficiency of a movable pulley is always less than $100 %$ .

(d) The lower block of a block and tackle pulley system must be of negligible weight.

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