Question (2): The spring-mounted 0.7-kg collar A oscillates along the horizontal rod, which is rotating at the constant angular rate è = 5 rad/s. At a certain instant, r is increasing at the rate of 900 mm/s. If the coefficient of kinetic friction between the collar and the rod is 0.4, calculate the friction force F exerted by the rod on the collar at this instant. Vertical MK=0.4 F lo 900mm/s A فحة

Question (2): The spring-mounted 0.7-kg collar A oscillates along the horizontal rod, which is rotating at the constant angular rate è = 5 rad/s. At a certain instant, r is increasing at the rate of 900 mm/s. If the coefficient of kinetic friction between the collar and the rod is 0.4, calculate the friction force F exerted by the rod on the collar at this instant. Vertical MK=0.4 F lo 900mm/s A فحة

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 7.48P: Find the smallest distance d for which the hook will remain at rest when acted on by the force P....

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