Current Attempt in Progress The bell-crank mechanism is in equilibrium for an applied load of F₁ = 16 kN applied at A. Assume a = 330mm, b = 190mm, c = 75mm, and 0 = 35°. Pin B is in a double-shear connection and has a diameter of 32 mm. The bell crank has a thickness of 24 mm. Determine (a) the shear stress in pin B. (b) the bearing stress in the bell crank at B. Bell crank Support bracket- Answers: Tpin Bi B a b MPa Ob = i MPa A lever is attached to a shaft with a square shear key as shown. The force applied to the lever is P = 400 N. If the shear stress in the key must not exceed 71 MPa, determine the minimum dimension "a" that must be used if the key is 19 mm long. 42 mm O 9.02 mm O 13.59 mm 8.24 mm ○ 7.03 mm ○ 9.88 mm Shear key 700 mm Shear key detail

Current Attempt in Progress The bell-crank mechanism is in equilibrium for an applied load of F₁ = 16 kN applied at A. Assume a = 330mm, b = 190mm, c = 75mm, and 0 = 35°. Pin B is in a double-shear connection and has a diameter of 32 mm. The bell crank has a thickness of 24 mm. Determine (a) the shear stress in pin B. (b) the bearing stress in the bell crank at B. Bell crank Support bracket- Answers: Tpin Bi B a b MPa Ob = i MPa A lever is attached to a shaft with a square shear key as shown. The force applied to the lever is P = 400 N. If the shear stress in the key must not exceed 71 MPa, determine the minimum dimension "a" that must be used if the key is 19 mm long. 42 mm O 9.02 mm O 13.59 mm 8.24 mm ○ 7.03 mm ○ 9.88 mm Shear key 700 mm Shear key detail

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.7.9P

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