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A body of weight 20N is on a horizontal ...

A body of weight 20N is on a horizontal surface, minimum force applied to pull it when applied force makes an angle 60° with horizontal (angle of friction a = 30°) is

A

20 N

B

`20sqrt(3)N`

C

`20/sqrt(3)`N

D

20 N

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The correct Answer is:
C
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