Circular MotionHard
Question
A particle of mass m is suspended from a fixed point O by a string of length l. It is displaced by angle θ (θ < 90o) from equilibrium position and released from there at t = 0 . The graph, which shows the variation of the tension T in the string with time ′t′, may be :
Options
A.
B.
C.
D.
Solution
For vertical circular motion, in lower half circle tension never be zero anywhere. Tension is maximum at lowest point of oscillation. Tension decrease both side in same amount. Therefore correct option is (D).
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