Question

A body is pivoted at a point. A force of 10 N is
applied at a distance of 30 cm from the pivot.
Calculate the moment of force about the pivot.​

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Answer 1

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• 3 Nm.

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Moment of force is calculated as:

Force x (perpendicular distance between point of application of force and axis of rotation)

But the unit should of the same system, SI or CGS

Here, Force = 10 N

Distance = 30/100 = 0.3 m

Hence, Moment of force = 10x0.3 Nm

= 3 Nm

Answer 2

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3 Nm

Moment of force is calculated as:

Force x (perpendicular distance between point of application of force and axis of rotation)

But the unit should of the same system, SI or CGS

Here, Force = 10 N

Distance = 30/100 = 0.3 m

Hence, Moment of force = 10x0.3 Nm

= 3 Nm