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P and 2P are two forces acting on a part...

P and 2P are two forces acting on a particle. When the first force is increased by 20 kg wt, the second force is doubled, the direction of the resultant force remains unchanged. Then P is

A

50 kg wt

B

20 kg wt

C

30 kg wt

D

40 Kg wt

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The correct Answer is:
B
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