ICSE Class 10 Physics 2023 Paper

The diagram shows wheel $O$ pivoted at point A. Three equal forces $F_1, F_2$ and $F_3$ act at point $B$ on the wheel.

Question : 22 of 76

Marks: +1, -0

Give a reason for your answer in (a).

Solution:

Because the force

F_1

is tangential to the wheel. So, the perpendicular distance of pivoted point

A

is maximum from the line of action of the force

F_1

. Thus, its moment about

A

will be maximum.

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