A) l is doubled
B) B is halved
C) r is doubled
D) both B and l are doubled
Correct Answer: A
Solution :
(a) l is doubled. M = lA when l is doubled, M is doubled. Also, \[\tau =MB\,\sin \theta ,\] when M is doubled, torque is doubled, hence tension is doubled.You need to login to perform this action.
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