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4

According to Lamis theorem

A. The three forces must be equal

B. The three forces must be at 120° to each other

C. The three forces must be in equilibrium

D. If the three forces acting at a point are in equilibrium, then each force is proportional to the sine of the angle between the other two

Correct Answer :

D. If the three forces acting at a point are in equilibrium, then each force is proportional to the sine of the angle between the other two


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