5. Equilibrium - Problem 1 In the figure below, suppose the length L of the uniform bar is 3.00 m and its weight is W=200 N. The bar is hinged to a vertical wall at point A and suspended at point B by a weightless string tied to the wall at point C. There is a block with weight WB = 300 N, at position x on the bar. The angle that the string makes with the bar is 0 = 30.0°. (a) Draw all forces acting on the system. (b) If the system is in equilibrium, write separate expressions for the horizontal, and the vertical components of the force on the bar. (c) The wire can withstand a maximum tension of 500 N (to 3 significant figures). What is the maximum possible distance x before the wire breaks? с

5. Equilibrium - Problem 1 In the figure below, suppose the length L of the uniform bar is 3.00 m and its weight is W=200 N. The bar is hinged to a vertical wall at point A and suspended at point B by a weightless string tied to the wall at point C. There is a block with weight WB = 300 N, at position x on the bar. The angle that the string makes with the bar is 0 = 30.0°. (a) Draw all forces acting on the system. (b) If the system is in equilibrium, write separate expressions for the horizontal, and the vertical components of the force on the bar. (c) The wire can withstand a maximum tension of 500 N (to 3 significant figures). What is the maximum possible distance x before the wire breaks? с

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter14: Static Equilibrium, Elasticity, And Fracture

Section: Chapter Questions

Problem 13PQ

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

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5. Equilibrium - Problem 1
In the figure below, suppose the length L of the uniform bar is 3.00 m and its weight is W=200 N. The bar is
hinged to a vertical wall at point A and suspended at point B by a weightless string tied to the wall at point
C. There is a block with weight WB = 300 N, at position x on the bar. The angle that the string makes with
the bar is 0 = 30.0°.
(a) Draw all forces acting on the system.
(b) If the system is in equilibrium, write separate expressions for the horizontal, and the vertical
components of the force on the bar.
(c) The wire can withstand a maximum tension of 500 N (to 3 significant figures). What is the maximum
possible distance x before the wire breaks?
A
L
B

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