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9. A springboard diver of weight 582 N stands at one end of a uniform 4.48 m diving board of weight 142 N. The board is attached to two pedestals, one at the other end of the board and the second pedestal 1.55 m from the first. Find the force in each of the two pedestals.10. A ladder, whose length is 10 m and whose mass is 40 kg rests against a frictionless vertical wall. Its upper end is a distance of 7.7 m above the ground. The center of mass of the ladder is ' of the way up the ladder. The coefficient of static friction between theladder and the ground is 0.53. If a carpenter climbs 85% of the way up the ladder before it starts to slip, find the mass of the carpenter