A 60-foot ladder weighing 100 pounds rests against a wall at a point 48 feet above the ground (c = 60 ft, h = 48 ft). The center of gravity of the ladder is one-third of the way up the ladder. A 160-pound person climbs halfway up the ladder. Assuming the wall is frictionless, find the forces exerted by the system on the ground and on the wall (Find Fz, Flh, Fiv). The coefficient of static friction between the ground and the ladder is Us = 0.4. How high up the ladder can the man go before it star
A 60-foot ladder weighing 100 pounds rests against a wall at a p…
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