a light rope fixed at one end of a wooden clamp on the ground passes over a tree branch and hangs on other side.it makes an angle 30 with the ground. aman weighing 60 kg wants to climb up the rope. the wooden clamp can come out of the ground if an upward force greater than 360 N is appled to it.Find the maxm. accln. in upward direction with which the man can climb safely. neglect friction.in this question why we not consider normal force of clamp.

Shane Macguire , 11 Years ago

Grade upto college level