The bell crank is in equilibrium for the forces acting in rods (1) and (2). The bell crank is supported by a pin with a diameter of 10 mm at B that acts in single shear. The thickness of the bell crank is 5 mm. Assume a = 70 mm, b = 210 mm, F₁ = 860 N, and 8 = 42°. Determine the following: (a) the average shear stress in pin B (b) the average bearing stress in the bell crank at B a Bell crank B b

The bell crank is in equilibrium for the forces acting in rods (1) and (2). The bell crank is supported by a pin with a diameter of 10 mm at B that acts in single shear. The thickness of the bell crank is 5 mm. Assume a = 70 mm, b = 210 mm, F₁ = 860 N, and 8 = 42°. Determine the following: (a) the average shear stress in pin B (b) the average bearing stress in the bell crank at B a Bell crank B b

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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Planar Stresses

Question

The
bell crank is in equilibrium for the forces acting in rods (1) and (2). The bell crank is supported by a pin with a diameter of 10 mm at
B that acts in single shear. The thickness of the bell crank is 5 mm. Assume a = 70 mm, b = 210 mm, F₁ = 860 N, and 0 = 42°. Determine
the following:
(a) the average shear stress in pin B
(b) the average bearing stress in the bell crank at B
4
a
(1)
Bell crank
A
B
(2)
b

G
0
Bell crank
Answer:
(a) T =
i
(b) ob = i
A
a
(2)
MPal
MPa
b
F

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