6/51 Ablock of mass m, is placed between the vertical wall and the upper end A of the uniform slender bar of mass m. If the coefficient of static friction is µ, between the block and the wall and also between the block and the bar, determine a general expression for the minimum value 6min of the angle 0 for which the block will remain in equilibrium. Evaluate your ex- pression for the conditions µ, = 0.50 and т (a) = 0.1, m (b) то = 1, and т (c) то = 10. For each case, state the minimum coefficient of sta- tic friction (µ,)g necessary to prevent slippage at B. то A m (H)B В

6/51 Ablock of mass m, is placed between the vertical wall and the upper end A of the uniform slender bar of mass m. If the coefficient of static friction is µ, between the block and the wall and also between the block and the bar, determine a general expression for the minimum value 6min of the angle 0 for which the block will remain in equilibrium. Evaluate your ex- pression for the conditions µ, = 0.50 and т (a) = 0.1, m (b) то = 1, and т (c) то = 10. For each case, state the minimum coefficient of sta- tic friction (µ,)g necessary to prevent slippage at B. то A m (H)B В

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 7.36P: The coeffient of static friction between the uniform bar AB of weight W and the ground is 0.45. Find...

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