Question

A rod AB of mass 10kg and length 5m rests on a
horizontal floor with end A fixed so as to rotate it in vertical
plane about perpendicular axis passing through A. If the
work done on the rod is 100J , the height to which the end
B be raised vertically above the floor is


please tell the correct answer with explanation​

Answer 1

Explanation:

Rod is moved by external agent with acceleration 9 ms^(-2) vertically downwards.Force exerted on the rod by ...