C Situation 7 - A rectangular bar 50 mm x 75 mm in cross-section is subjected to a tensile force P = 200 kN as shown in Figure SMM14.78. Plane A-A makes an angle of 15° with the x- axis. 19. What is the tensile stress (in MPa) on plane A-A? A. 13.3 B. 18.7 C. 49.8 D. 52.4 20. What is the shear stress (in MPa) on plane A- A? Je A. 52.4 B. 49.8 C. 13.3 D. 18.7 21. At what angle 0 (degrees) of plane A-A is the shear stress maximum? A. 30° C. 60° B. 90° D. 45° P X

C Situation 7 - A rectangular bar 50 mm x 75 mm in cross-section is subjected to a tensile force P = 200 kN as shown in Figure SMM14.78. Plane A-A makes an angle of 15° with the x- axis. 19. What is the tensile stress (in MPa) on plane A-A? A. 13.3 B. 18.7 C. 49.8 D. 52.4 20. What is the shear stress (in MPa) on plane A- A? Je A. 52.4 B. 49.8 C. 13.3 D. 18.7 21. At what angle 0 (degrees) of plane A-A is the shear stress maximum? A. 30° C. 60° B. 90° D. 45° P X

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Mechanics of Solids

It is the study of the behavior of solid materials, their characteristics under various circumstances such as variation in external forces, temperature, and other internal factors. It is one of most important study in the field of engineering science, especially chemistry and mechanical engineering. In rigid body, the idealization of the solid body in which deformation is neglected. Deformation is known as the force acting on the solid state system which exerts change in its shape of the body but it continues to be at rest or in a uniform motion but it cannot accelerate. But those solid systems do have elasticity, compressibility and can be bent. This field is very vast since there are wide range of materials around us.

Question

11. Provide a detailed step by step solution.

C
Situation 7 - A rectangular bar 50 mm x 75 mm in
cross-section is subjected to a tensile force P
= 200 kN as shown in Figure SMM14.78.
Plane A-A makes an angle of 15° with the x-
axis.
19. What is the tensile stress (in MPa) on plane
A-A?
A. 13.3
B. 18.7
C. 49.8
D. 52.4
20. What is the shear stress (in MPa) on plane A-
A?
A. 52.4
B. 49.8
C. 13.3
A
P
Je
D. 18.7
21. At what angle 0 (degrees) of plane A-A is the shear stress maximum?
A. 30°
C. 60°
B. 90°
D. 45°
A
X

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