Physics, 09.07.2019 02:20, ranaaf

Aperson (mass m1=70 kg) is climbing a ladder (length l=6m, mass m2=20kg) that leans against a smooth wall (no friction between wall and ladder). a frictional force fs between the ladder and the floor keeps it from slipping. the angle between the ladder and the wall is 30. – what is the magnitude of fs so that the person can reach the top of the ladder

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Aperson (mass m1=70 kg) is climbing a ladder (length l=6m, mass m2=20kg) that leans against a smooth...