An object with 9.0 kg of mass is on a horizontal surface. The coefficients of friction between the object and the surface are µ, = 0.9 and μ = 0.7. What is the maximum force, exerted along the plane of the surface, that can be exerted on the object and not move it? A. 54 N B. 72 N C. 79 N D. 86 N 7. Refer to the system in question #6. What force (acting along the surface) is needed to accelerate the object with a magnitude of 2 m/s²? Assume that it was already moving, and the maximum static friction force was already overcome. A. 31 N B. 62 N C. 80 N D. 89 N

An object with 9.0 kg of mass is on a horizontal surface. The coefficients of friction between the object and the surface are µ, = 0.9 and μ = 0.7. What is the maximum force, exerted along the plane of the surface, that can be exerted on the object and not move it? A. 54 N B. 72 N C. 79 N D. 86 N 7. Refer to the system in question #6. What force (acting along the surface) is needed to accelerate the object with a magnitude of 2 m/s²? Assume that it was already moving, and the maximum static friction force was already overcome. A. 31 N B. 62 N C. 80 N D. 89 N

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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