Questions
A small ball is suspended from a thread. It is lifted up with an acceleration 4.9 m/s2 and lowered with an acceleration 4.9 m/s2, then the ratio of tensions in the thread in both cases will be :
detailed solution
Correct option is B
T1=m(g+a) and T2=m(g−a)⇒T1T2=g+ag−a=9.8+4.99.8−4.9=31Talk to our academic expert!
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