Two masses are coupled by a pulley and restrained by a spring. The spring has an unstretched length of L and is stretched by an amount ô and then attached to block A, as shown. The pulleys and ropes are massless. ww A B needed for block .4 to move to the right and for block B to move down the inclined surface. Determine the minimum mass mg The minimum mass m can be thought to be the mass in which the system is in equilibrium, all accelerations are zero, and the friction at B is at its maximum possible static value just barely holding B in place.

Two masses are coupled by a pulley and restrained by a spring. The spring has an unstretched length of L and is stretched by an amount ô and then attached to block A, as shown. The pulleys and ropes are massless. ww A B needed for block .4 to move to the right and for block B to move down the inclined surface. Determine the minimum mass mg The minimum mass m can be thought to be the mass in which the system is in equilibrium, all accelerations are zero, and the friction at B is at its maximum possible static value just barely holding B in place.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.66P: A uniform 80-ft pipe that weighs 960 lb is supported entirely by a cable AB of negligible weight....

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