4) The suspender rod is supported at its end by a fixed-connected circular disk as shown. If the rod passes through a 40mm diameter hole, determine the minimum required diameter of the rod and the minimum thickness of the disk needed to support the 20kN load. The allowable normal stress for the rod is σ = 60MPa and the allowable shear stress for the disk is t = 35MPa. all all 40 mm d 20 kN

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The bell-crank mechanism is in equilibrium for an applied load of F₁ = 20 kN applied at A. Assume a = 270mm, b = 170mm, c = 70mm, and 9 = 50°. Pin B is in a double-shear connection and has a diameter of 24 mm. The bell crank has a thickness of 36 mm. Determine the bearing stress in the bell crank at B. Answer in MPa rounded-off to 2 decimal places. F₁ Bell crank Support bracket Add your answer B b 4

A line shaft rotating at 200 rpm is to transmit 20 kW. The allowable shear stress for the material of the shaft is 42 MPa. If the shaft carries a central load of 900 N and is simply supported between bearing 3m apart, determine the diameter of the shaft.o The maximum tensile or compressive stress is not to exceed 56 MPa.

The rectangular bar is connected to the support bracket with a 10-mm-diameter pin. The bar width is w = 65 mm and the bar thickness is 15 mm. Each side of the bracket has the same dimensions as the bar. The average shear stress in the pin cannot exceed 140 MPa, the bearing stress in the bar cannot exceed 130 MPa, and the bearing stress in the bracket cannot exceed 140 MPa. Determine the maximum value of Pmax that can be supported by the structure. Answer: Pmax= i KN

The solid circular rod has a cross-sectional area of 420 mm². It is subjected to a uniform axial distributed loading along its length of w = 5 kN/m. Two concentrated loads also act on the rod: P = 6 kN and Q = 4 kN. Determine the normal stress in the rod at x = 0.1 m. Assume a = 0.5 m and b = 0.9 m. W >P MPa a Answer: 0= i B b

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The rectangular bar is connected to the support bracket with a 26-mm-diameter pin. The bar width is w=60 mm and the bar thickness is 15 mm. Each side of the bracket has the same dimensions as the bar. The average shear stress in the pin cannot exceed 120 MPa, the bearing stress in the bar cannot exceed 120 MPa, and the bearing stress in the bracket cannot exceed 120 MPa. Determine the maximum value of Pmax that can be supported by the structure. Answer: Pmax KN

The bell-crank mechanism is in equilibrium for an applied load of F₁ = 12 kN applied at A. Assume a = 250mm, b = 170mm, c = 80mm, and 0 = 50°. Pin B is in a double-shear connection and has a diameter of 20 mm. The bell crank has a thickness of 25 mm. Determine (a) the shear stress in pin B. (b) the bearing stress in the bell crank at B. Support bracket A Answers: Tpin B = i Ob= i Bell crank a B b MPa MPa

A 75 mm diameter compound bar is constructed by shrinking a circular brass bush onto the outside of a 50 mm diameter solid steel rod. If the compound bar is then subjected to an axial compressive load of 160 kN determine the load carried by the steel rod and the brass bush and the compressive stress set up in each material. For steel, E = 210 GN/m2; for brass, £ = 100 GN/m2