A bag of cement of mass m is located on plank of length l
A bag of cement of mass m is located on plank of length L. Bag is located a distance of L/4 from one end of plank. Plank itself has mass m two person pick up plank one at each end. Find how much must the person nearest the bag support?
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a bag of cement of mass m is located on plank of length l bag is located a distance of l4 from one end of plank plank
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