Ex. (1): The 50-kg crate is pulled by the constant force P. If the block starts from rest and achieves a speed of 10m/s in 5 seconds, determine the magnitude of P. The 30 coefficient of kinetic friction between the crate and the ground is µg = 0.2. %3D

Ex. (1): The 50-kg crate is pulled by the constant force P. If the block starts from rest and achieves a speed of 10m/s in 5 seconds, determine the magnitude of P. The 30 coefficient of kinetic friction between the crate and the ground is µg = 0.2. %3D

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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Question

Ex. (1): The 50-kg crate is pulled by the constant force
P. If the block starts from rest and achieves a speed of
10m/s in 5 seconds, determine the magnitude of P. The
|30°
coefficient of kinetic friction between the crate and the
ground is µk = 0.2 .

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