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Wedge Problem

Five forces a...

Question

Five forces are separately applied to a flat object lying on a table of negligible friction as shown in figure. The force which will not cause the object to rotate about the centre of the object is

A

F₃

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B

F₁

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C

F₂

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D

F₄

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Solution

The correct option is C
F₂

The line of action of F₂ passes through the centre of rotation, and thus cannot produce a torque about the centre (r = 0).

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