Consider the bent bar ABC shown in the figure shown. It is supported by a roller at A and a pin at B, and is loaded by a counterclockwise moment M = 95 kN-m, an upward force Q = 6 kN, and a downward force P = 8 kN. Use L = 7 m.

Consider the bent bar ABC shown in the figure shown. It is supported by a roller at A and a pin at B, and is loaded by a counterclockwise moment M = 95 kN-m, an upward force Q = 6 kN, and a downward force P = 8 kN. Use L = 7 m.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.4.8P: Bar ABC is fixed at both ends (see figure) and has load P applied at B. Find reactions at A and C...

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

Given the figure, answer the following multiple choice questions

1) Which of the following best approximates the moment of force P about point B?

A. 33.6 kN-m CW

B. 44.8 kN-m CW

C. 56 kN-m CW

D. 156.8 kN-m CW

2) Which of the following force-couple sets applied at point A is equivalent to the loadings acting on bent bar ABC?

A. F_A = 2kN down; C_A = 19.8 kN-m CW

B. F_A = 8kN down; C_A = 92.2 kN-m CCW

C. F_A = 2kN down; C_A = 61.8 kN-m CW

D. F_A = 8kN down; C_A = 156.8 kN-m CW

Consider the bent bar ABC shown in the figure shown. It is supported by a roller at A and a pin at B, and is loaded by a counterclockwise
moment M = 95 kN-m, an upward force Q = 6 kN, and a downward force P = 8 kN. Use L = 7 m.
A
L
M
L
L
B
7
C

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