2. The bell crank which is in equilibrium under the forces shown in Fig. 2 is supported by a 20-mm-diameter pin at D that is in double shear. Determine (a) the required diameter of the connecting rod AB given that its tensile working stress is 100MPa and (b) the shear stress in the pin. # P A 200 mm D B 240 mm- 60° 30 kN C

2. The bell crank which is in equilibrium under the forces shown in Fig. 2 is supported by a 20-mm-diameter pin at D that is in double shear. Determine (a) the required diameter of the connecting rod AB given that its tensile working stress is 100MPa and (b) the shear stress in the pin. # P A 200 mm D B 240 mm- 60° 30 kN C

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

5. Please include FBD & make the solutions understandable

2. The bell crank which is in equilibrium under the forces shown in Fig. 2 is
supported by a 20-mm-diameter pin at D that is in double shear. Determine (a) the
required diameter of the connecting rod AB given that its tensile working stress is
100MPa and (b) the shear stress in the pin.
P
A
200 mm
D
B
240 mm-
60°
30 kN
C

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