Question
Question: A particle of mass m is suspended from a fixed point O by a string of length l. At t = 0, it is disp...
A particle of mass m is suspended from a fixed point O by a string of length l. At t = 0, it is displaced from equilibrium position and released. The graph which shows the variation of tension T in string with time t is
A
B
C
D
Answer
Explanation
Solution
The particle is displaced from main position and then released i.e., at t = 0, then tension is minimum because the particle is at the extreme position where the tension has to balance only the radial component of the weight of the particle. Tension is maximum at mean position because it has to provide the weight as well as centripetal force also.