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Question

A ball of mass 1 kg is at rest in position P by means of two light strings OP and RP. The string RP is now cut and the ball swings to position Q. If θ=45o. Find the ratio of tensions in the strings in positions OP (when RP was not cut ) and OQ (when RP was cut). Take g=10 m/s2
1260039_14e25c87afce41dd98d22598947c7f7b.png

A
52
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B
2
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C
3
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D
1.5
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Solution

The correct option is A 52
In the given figure:
therefore net force along =OQ=0
T2=mgcosθT2=1×1012=52N
Hence,
all option in incorrect, correct answer is 52N.


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