ladder of length L = 2.4 m and mass m = 14 kg rests on a floor with coefficient of static friction μs = 0.55. Assume the wall is frictionless. 1) What is the minimum angle the ladder must make with the floor to not slip? 2) A person with mass M = 61 kg now stands at the very top of the ladder. What is the minimum angle to keep the ladder from sliding?

ladder of length L = 2.4 m and mass m = 14 kg rests on a floor with coefficient of static friction μs = 0.55. Assume the wall is frictionless. 1) What is the minimum angle the ladder must make with the floor to not slip? 2) A person with mass M = 61 kg now stands at the very top of the ladder. What is the minimum angle to keep the ladder from sliding?

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter12: Static Equilibrium And Elasticity

Section: Chapter Questions

Problem 12.6OQ: A 20.0-kg horizontal plank 4.00 in long rests on two supports, one at the left end and a second 1.00...

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