(Answered) A ladder of length l 12 m and mass m 45 kg leans against

Management Studies

A ladder of length L = 12 m and mass m = 45 kg leans against a frictionless wall. Its upper end is at height h = 9.3 m above the pavement on which the lower end rests (pavement is not frictionless). The ladder's center of mass is L/3 from the lower end. A firefighter of mass M = 72 kg climbs the ladder until her center of mass is L/2 from the lower end.

a. Draw the FBD for the ladder.

b. What are the magnitudes of the forces on the ladder from the wall and the pavement?

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Business Management, Management Studies

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