Question

A force of 10 N is applied perpendicular to the end of a bar of
length 0.2 m. Calculate the torque produced by the force.

Answer 1

The torque produced by the force is 2 Nm

Torque

This is the turning effect of a force.

The torque of a force is given by τ = Fd where

• F = force applied and
• d = perpendicular distance of force from action point

Since τ = Fd,

• F = force applied = 10 N and
• d = length of bar = 0.2 m

Substituting the values of the variables into the equation, we have

τ = Fd

τ = 10 N × 0.2 m

τ = 2 Nm

So, the torque produced by the force is 2 Nm

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