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Question

If the system is in equilibrium (cos530 = 3/5), then the value of ā€²P ā€² is
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A
16N
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B
4N
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C
208N
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D
232N
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Solution

The correct option is A 208N
As the system is in equilibrium, sum of all vector forces will be zero.
P will have magnitude same as resultant of A and B and direction opposite to it.
P=A2+B2+2A.B=36+100+72=208N

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