Problem 4. A 50-kg block rests on a horizontal plane. At an instant t = 0 s, a horizontal force starts acting on the block. The magnitude of the force varies according to the function F(t) = 96t [N], where t is time in seconds. If the force acts for 7 seconds, what is the velocity of the block? The coefficient of static friction is us = 0.24, and the coefficient of kinetic friction is µ = 0.20.

Problem 4. A 50-kg block rests on a horizontal plane. At an instant t = 0 s, a horizontal force starts acting on the block. The magnitude of the force varies according to the function F(t) = 96t [N], where t is time in seconds. If the force acts for 7 seconds, what is the velocity of the block? The coefficient of static friction is us = 0.24, and the coefficient of kinetic friction is µ = 0.20.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.72P

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