Q). If the elevator in the shown figure is moving upwards with constant acceleration 1   m s - 2 , the tension in the string connected to block A of mass 5 kg would be (take g = 10 m s - 2 )


(A) 30 N
(B) 55 N
(C) 20 N
(D) 85 N

Dear student,

As the elevator is moving upwards,T=m(g+a)T=5(10+1)T=55N

Option B is correct.


Regards

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