Question
A horizontal bar is used to hold an object of m kg between two walls, as shown in
the figure. The equally exerted forces of the bar against the walls can be changed by adjusting the length
from the bar. The system is only sustained by friction between the ends of the bar and the walls. The coefficient
Static friction between these two is ms. Find the value of the forces F that guarantee the equilibrium of the
system.

with body diagram

1.- (20 Pts.) Se usa una barra horizontal para sostener un objeto de m kg entre dos muros, como se muestra en la figura. Las

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Answer #1

friction force rod at each wall on Ms F Net upward force force = aus Net downward force mg Z 2 uc Fe mg F N asts object of th

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