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Q.

As shown in figure the tension in the horizontal cord is 30 N. The weight W and tension in the string OA (in newton) are

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a

303 , 30

b

603, 30

c

303, 60

d

None of these

answer is B.

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Detailed Solution

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From the figure T sin 300 = 30

Tcos 300=W

By solving equations (i) and (ii), we get

W = 303 N and T = 60 N

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