Physics, 24.07.2019 06:30 DESIRE44030

Auniform ladder 5.0 m long rests against a frictionless, vertical wall with its lower end 3.0 m from the wall. the ladder weighs 160 n. the coefficient of static friction between the foot of the ladder and the ground is 0.40. a man weighing 740 n climbs slowly up the ladder. part a what is the maximum frictional force that the ground can exert on the ladder at its lower end?

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