Question

In the figure shown, there is a wheel of diameter 40 cm with axle at its centre O. If F1

= 2 N and the wheel

has anti-clockwise moment of 1 Nm. Calculate the value of F2

.​

Answer 1

Answer:

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Answer 2

Explanation:

Force F=2 N

(1) :

Perpendicular distance between point O and B,   r=2diameter=22=1 m

Moment of force about centre O,   τO=rF=1×2=2 N m

(2) :

Perpendicular distance between point A and B,   r=diameter=2 m

Moment of force about centre A,   τA=rF=2×2=4 N m