A single fixed pulley is used because it:

has a mechanical advantage greater than

1

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has a velocity ratio less than

1

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gives

100 %

efficiency

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helps to apply the effort in a convenient direction.

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Solution

The correct option is D helps to apply the effort in a convenient direction.
Single fixed pulley has no mechanical advantage, it just helps in applying the effort in correct direction.

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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.

In a single fixed pulley, the velocity ratio is always less than the mechanical advantage.

In which direction the force must be applied, when a single pulley is used with a mechanical advantage greater than one?

Select the incorrect statement :

(a) A machine always has the efficiency less than $100 %$ .

(b) The mechanical advantage of a machine can be less than 1.

(d) A machine can have the mechanical advantage greater than the velocity ratio.

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