The crate has a mass of 80 kg and is being towed by a chain which is always directed at 20° from the horizontal as shown. Determine the crate's acceleration in t = 2 s if the coefficient of static friction is , = 0.4, the coefficient of kinetic friction is = 0.3, and the towing force is Mk P= (902) N, where t is in seconds. co 20°
The crate has a mass of 80 kg and is being towed by a chain which is always directed at 20° from the horizontal as shown. Determine the crate's acceleration in t = 2 s if the coefficient of static friction is , = 0.4, the coefficient of kinetic friction is = 0.3, and the towing force is Mk P= (902) N, where t is in seconds. co 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 7.79P: The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a)...
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