Q2 [Type B]: The 20-lb crate A rests on the surface. The coefficients of static and kinetic friction between the crate A and the surface are µs = 0.15, Mk = 0.1. Determine the speed of crate A at t = 2 s if P = (t² + 1.5t) lb where t is in seconds, using the method of Linear Impact and Momentum. Hint: first determine the moment when the crate starts to move.

Q2 [Type B]: The 20-lb crate A rests on the surface. The coefficients of static and kinetic friction between the crate A and the surface are µs = 0.15, Mk = 0.1. Determine the speed of crate A at t = 2 s if P = (t² + 1.5t) lb where t is in seconds, using the method of Linear Impact and Momentum. Hint: first determine the moment when the crate starts to move.

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 7.79P: The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a)...

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