For the connection shown, the average shear stress in the 15-mm-diameter bolts must be limited to 147 MPa. Determine the maximum load P that may be applied to the connection. Answer: P = i kN.

The beam is supported by a pin at Cand by a short link AB. Each pin has a diameter of 10 mm. Assume L = 1.9 m and 0 = 35°. If the average shear stress in the pins at A, B, and C cannot exceed 100 MPa, determine the maximum distributed load Wmax that can be supported by the structure. A (1) L Answer: Wmax i B kN/m

Attempt Histor Current Attempt in Progress The five-bolt connection shown must support an applied load of P- 500 kN. If the average shear stress in the bolts must be limited to 270 MPa, determine the minimum bolt diameter that may be used in the connection. 27.8 mm O 13.5 mm 18.1 mm O 21.7 mm O 23.1 mm

Mechanics of deformable bodies

The axial force in the column supporting the timber beam shown is P= 17 kips. Determine the smallest allowable length L of the bearing plate if the bearing stress in the timber is not to exceed 400 psi. 6 in. The smallest allowable length L of the bearing plate is in.

The beam is supported by a pin at Ċ and by a short link AB. Each pin has a diameter of 12 mm. Assume L = 1.2 m and 9 = 35°. If the average shear stress in the pins at A, B, and C cannot exceed 125 MPa, determine the maximum distributed load Wmax that can be supported by the structure. A e Answer: Wmax i B W L kN/m

The d = 13-mm-diameter solid rod passes through a D = 18-mm-diameter hole in the support plate. When a load P is applied to the rod, the rod head rests on the support plate. The support plate has a thickness of b = 13 mm. The rod head has a diameter of a = 26 mm, and the head has a thickness of t = 10 mm. The shear stress in the rod head cannot exceed 120 MPa, the punching shear stress in the support plate cannot exceed 110 MPa, and the bearing stress between the rod head and the support plate cannot exceed 145 MPa. Determine the maximum value of Pmax that can be supported by the structure. Support Plate Rod Answer: Pmax i Hole diameter D Head KN d a

A simple pin-connected truss is loaded and supported as shown. The truss is constructed from three aluminum members, each having a cross-sectional area of A = 820 mm2. Assume a = 1.2 m, b = 7.3 m, and c = 3.3 m. If P = 55 kN and Q = 70 kN, determine the normal stress in each member.

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

Can you show the free body diagram and the solution?