Answers:Тpin B%3DiMPаOp =%3DMPa The bell-crank mechanism is in equilibrium for anapplied load of F1 = 10 kN applied at A. Assume a =260mm, b = 170mm, c = 70mm, and 0 = 40°. Pin B isin a double-shear connection and has a diameter of20 mm. The bell crank has a thickness of 28 mm.Determine(a) the shear stress in pin B.(b) the bearing stress in the bell crank at B.Bell crankF2Support bracketBAabF

Answer: (a) The shear stress in pin B is 27.76 MPa. (b) The bearing stress in the bell crank at B is…

Answered: Тpin B i MPа Ob = i MPа

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Mechanical Engineering

Тpin B i MPа Ob = i MPа

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.3.14P: The state of stress on an element along the hydraulic lift cylinder on a truck is trv= — 5 MPaLFind...

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Concept explainers

Strain energy

The term strain indicates the variation in an object's length, area, and volume when the object is subjected to an external force. The external force may be of normal, shear, moment, torque, etc. The strain in an object depends on the types of external force and cross-section of the object. Mathematically, the evaluation of strain can be obtained with the help of elastic constants.

Question

The bell-crank mechanism is in equilibrium for an
applied load of F1 = 10 kN applied at A. Assume a =
260mm, b = 170mm, c = 70mm, and 0 = 40°. Pin B is
in a double-shear connection and has a diameter of
20 mm. The bell crank has a thickness of 28 mm.
Determine
(a) the shear stress in pin B.
(b) the bearing stress in the bell crank at B.
Bell crank
F2
Support bracket
B
A
a
b
F

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