Questions
A ladder AB of length 4m long and of weight 200N with its centre of mass at a distance 2m from end A is on the ground. A 60N weight is attached to the end B. The work to be done to arrange the ladder in vertical position with end A contact with the ground is
detailed solution
Correct option is D
w=200×2+60×4=400+240=640JTalk to our academic expert!
Similar Questions
If W1, W2 and W3 represent the work done in moving a particle from A to B along three different paths 1, 2 and 3 respectively (as shown) in the gravitational field of a point mass m, find the correct relation between W1, W2 and W3
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