A painter wishes to know whether or not he can safely stand on a ladder. The ladder has a mass Mladder = 14 kg which is
Posted: Sat Jul 09, 2022 11:57 am
A painter wishes to know whether or not he can safely stand on aladder. The ladder has a mass Mladder = 14 kg which isuniformly distributed throughout its length L = 8.0 m. The ladderis propped up at an angle theta = 60o. The coefficientof static friction between the ground and the ladderis μs = 0.33, and the wall against which the ladder isresting is frictionless.
A) Calculate the maximum mass of the painter for which theladder will remain stable when he climbs a distance d = 4.8 m upthe ladder.
B) If the painter does not stand on the ladder, what is theminimum angle theta for which the ladder will remain stable?
A) Calculate the maximum mass of the painter for which theladder will remain stable when he climbs a distance d = 4.8 m upthe ladder.
B) If the painter does not stand on the ladder, what is theminimum angle theta for which the ladder will remain stable?