The bell crank, which is in equilibrium under the forces shown in the figure, 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 100 MPa; and (b) the shear stress in the pin. A B 200 mm 240 mm- 先光, 60° 30 kN

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter3: Torsion
Section: Chapter Questions
Problem 3.11.13P: A thin-walled rectangular tube has uniform thickness t and dimensions a x b to the median line of...
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The bell crank, which is in equilibrium under the forces
shown in the figure, 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 100 MPa; and (b) the shear
stress in the pin.
A
200 mm
-240 mm
60°
30 kN
Transcribed Image Text:The bell crank, which is in equilibrium under the forces shown in the figure, 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 100 MPa; and (b) the shear stress in the pin. A 200 mm -240 mm 60° 30 kN
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