|-200 mm- 10 mm 140 mm 60 mm- -10 mm

2- Find the largest clamping force that can be applied by the cast iron C-clamp if the allowable normal stresses on section m-n are 15 MPa in tension and 30 MPa in compression. Centroidal axis m 14 mm 60 mm 11 mm `I = 7800 mmª A = 130 mm²

- The bell-crank mechanism is in equilibrium for an applied load of F₁ = 15 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 20 mm. The bell crank has a thickness of 34 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 a B b

Current Attempt in Progress The solid 1.35-in.-diameter rod is subjected to a uniform axial distributed loading along its length of w =775 lb/ft. Two concentrated loads also act on the rod: P= 2500 lb and Q = 800 lb. Assume a = 11 in. and b = 22 in. Determine the normal stress in the rod at the following locations: (a) x = 7 in. (b) x = 21 in. w a Answer: Ox=7in. = i psi Ox=21in. i psi

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

The bell-crank mechanism is in equilibrium for an applied load of F₁ = 18 kN applied at A. Assume a = 270mm, b = 150mm, c = 70mm, and 0= 50°. Pin B is in a double-shear connection and has a diameter of 33 mm. The bell crank has a thickness of 39 mm. Determine (a) the shear stress in pin B. (b) the bearing stress in the bell crank at B. Support bracket F₁ Answers: Ob Tpin B = Bell crank Bu CI B MPa MPa F₂

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The wheel on a trolley is held in place on the leg using a 5-mm-radius pin. If the wheel is subjected to a normal force of 10 kN, determine the average shear stress in the pin. Neglect the friction force and assume the pin only supports the vertical 10-kN load

The solid cylinder having a radius r is placed in a sealed container and subjected to a pressure p. Determine the stress components acting at point A located on the center line of the cylinder. Draw Mohr's circles for the element at this point. A

F The shaft is loaded with two forces as shown and is fixed at A. The strength is defined as the maximum allowable force F that does not produce shear stress above the material's maximum al- lowable value of 4 ksi. Determine the strength. By what factor would the strength increase if the shaft diameter were doubled? (L₁ = 12 in., L₂ = 6 in., and d = 0.5 in.)