Q64
A string of length 90 cm is fastened to two points ‘A’ and ‘B’ at the same level 60 cm apart. A ring weighing 120 g is slided on the string. A horizontal force ‘P’ is applied to the ring such that it is in equilibrium vertically below ‘B’. The value of ‘P’ is:
A.
40 g
B.
60 g
C.
80 g
AnswerD.
100 g
Answer: Option C
Solution
Answer: Option C
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