When does a wheel and axle acts like a force multiplier?

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Solution

A wheel and axle arrangement consists of a wheel attached to a cylindrical rod or shaft called the axle.
It is used as a force multiplier in a doorknob or steering.
When this arrangement is used as force multiplier, on turning the large wheel the axle moves with more force.

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When does a wheel and axle acts like a force multiplier?

A wheel and axle arrangement consists of a wheel attached to a cylindrical rod or shaft called the axle.It is used as a force multiplier in a doorknob or steering.When this arrangement is used as force multiplier, on turning the large wheel the axle moves with more force.

A wheel and axle arrangement consists of a wheel attached to a cylindrical rod or shaft called the axle.
It is used as a force multiplier in a doorknob or steering.
When this arrangement is used as force multiplier, on turning the large wheel the axle moves with more force.