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Questions  

A body of mass √3 kg is suspended by a string to a rigid support. The body is pulled horizontally by a force F until the string makes an angle of 30° with the vertical. The value of F and tension in the string are.

a
9.8 N, 9.8 N
b
9.8 N, 19.6 N
c
19.6 N, 19.6 N
d
19.6 N, 9.8 N

detailed solution

Correct option is B

The body is in equilibrium under the action of the forces Fg→, F→ and T→ as shown in figure.By Lami's Theorem,  and

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A body is in equilibrium under the action of three coplanar forces P, Q and R are shown in the figure. Select the correct statement.

 


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