SHMHard
Question
A simple pendulum with length l and bob of mass m executes SHM of small amplitude A. The maximum tension in the string will be
Options
A.mg(1 + A/l)
B.mg(1 + A/l)2
C.mg[1 + (A/l)2]
D.2mg
Solution
Tmax = mg + mω2l = mg + m 
= mg + m 
= mg + m 
or Tmax = mg + mg
= mg + m = mg + m or Tmax = mg + mg
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