A uniform stationary ladder of length L and mass M leans against a smooth vertical wall, while its bottom legs rest on a rough horizontal floor. The coefficient of static friction between floor and ladder is μ. The ladder makes an angle 0 with respect to the floor. A painter of mass 1/2M stands on the ladder a distance d from its base. L Ө Otheexpertta.com Part (a) Find an expression for the magnitude of the normal force N exerted by the floor on the ladder. Part (b) Find an expression for the magnitude of the normal force Nw exerted by the wall on the ladder. Part (c) Find an expression for the largest value of dmax for which the ladder does not slip. Part (d) What is the largest value for d, in centimeters, such that the ladder will not slip? Assume that ladder is 4.5 m long, the coefficient of friction is 0.55, the ladder is at an angle of 47°, and the ladder has a mass of 55 kg.
A uniform stationary ladder of length L and mass M leans against a smooth vertical wall, while its bottom legs rest on a rough horizontal floor. The coefficient of static friction between floor and ladder is μ. The ladder makes an angle 0 with respect to the floor. A painter of mass 1/2M stands on the ladder a distance d from its base. L Ө Otheexpertta.com Part (a) Find an expression for the magnitude of the normal force N exerted by the floor on the ladder. Part (b) Find an expression for the magnitude of the normal force Nw exerted by the wall on the ladder. Part (c) Find an expression for the largest value of dmax for which the ladder does not slip. Part (d) What is the largest value for d, in centimeters, such that the ladder will not slip? Assume that ladder is 4.5 m long, the coefficient of friction is 0.55, the ladder is at an angle of 47°, and the ladder has a mass of 55 kg.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A uniform stationary ladder of length L and mass M leans against a smooth vertical wall, while its bottom legs rest on a rough horizontal floor. The coefficient of static friction between floor and ladder is μ. The ladder makes an angle θ with respect to the floor. A painter of mass 1/2M stands on the ladder a distance d from its base.
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