A rope of mass 5kg is moving vertically in vertical position with an upwards force of 100N
A rope of mass 5kg is moving vertically in vertical position with an upwards force of 100N acting at the upper end and a downwards force of 70N acting at the lower end. The tension at midpoint of the rope is
(A) 100N
(B) 85N
(C) 75N
(D) 105N
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