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A heavy particle of mass 1kg suspended f...

A heavy particle of mass `1kg` suspended from a massless string attached to a roof. A horizontal force F is applied to the particle such that in the equilibrium position the string makes and angle `30^(@)` with the vertical. The magnitude of the force F equals
.

A

10 N

B

`10 sqrt(3) N`

C

5 N

D

`10//sqrt(3) N`

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The correct Answer is:
D
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