Question

A wheel of diameter 2 m is shown in figure with axle at O. A force F = 2 N is applied at B in the direction shown in figure.

Calculate the moment of force about
(i) the centre O, and
(ii) the point A.

April 3, 2024

Answer

Force (F) = 2 N

Diameter (d) = 2 m

So, Radius or OB = 1 m

(i) Moment of force at O = F × r = 2 × 1 = 2 N

(ii) Moment of force at A = F × r = 2 × 2 = 4 N m

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