The 14-kg bar AB is pivoted at A and is subjected to a moment M = 18 N.m. If the bar is released from rest when the spring is at its natural length at an angle 0 = 30°, determine the angular velocity of the bar at the instant 0 = 60°. Assume that the spring, thanks to the presence of the roller at C, always remains horizontal.

The 14-kg bar AB is pivoted at A and is subjected to a moment M = 18 N.m. If the bar is released from rest when the spring is at its natural length at an angle 0 = 30°, determine the angular velocity of the bar at the instant 0 = 60°. Assume that the spring, thanks to the presence of the roller at C, always remains horizontal.

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 7.11P: Solve Prob. 7.10 assuming that the pick-up truck has front-wheel drive.

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