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