A uniform 4m plank with a mass of 45 kg is supported at its ends by two ladders. Two 75 kg men are
standing on the plank. One is 1 m from one end and the other is 1.5 m from the other end. Determine the forces exerted by the ladders.
standing on the plank. One is 1 m from one end and the other is 1.5 m from the other end. Determine the forces exerted by the ladders.