Consider mass m = 5kg placed on a ramp which makes an angle 40◦ with respect to the x axis. The coefficient of static friction between ramp and the mass is 0.8 and the coefficient kinetic friction between the mass and the ramp is 0.7. (a) Does the mass move down the ramp? (b) Find the magnitude and the direction of the friction. (c) If we want to change the answer to part a) by adjusting the mass. Should we use a heavier mass or lighter mass, or it is just impossible to change the answer to a) by changing the mass.

Consider mass m = 5kg placed on a ramp which makes an angle 40◦ with respect to the x axis. The coefficient of static friction between ramp and the mass is 0.8 and the coefficient kinetic friction between the mass and the ramp is 0.7. (a) Does the mass move down the ramp? (b) Find the magnitude and the direction of the friction. (c) If we want to change the answer to part a) by adjusting the mass. Should we use a heavier mass or lighter mass, or it is just impossible to change the answer to a) by changing the mass.

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Description: Consider mass m = 5kg placed on a ramp which makes an angle 40◦with respect to the x axis. The coefficient of static friction betweenramp and the mass is 0.8 and the coefficient kinetic friction betweenthe mass and the ramp is 0.7.(a) Does the mass m

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: More Applications Of Newton’s Laws

Section: Chapter Questions

Problem 61P

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