The beam is supported by rod (1) and a pin at C. Assume L = 1.0 m and θ = 40°. For a uniformly distributed load of w = 3.1 kN/m, determine the force in rod (1).
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Bolt holes with a diameter of 1.125 in. are punched into str…
Bolt holes with a diameter of 1.125 in. are punched into structural steel members that have a thickness of 0.40 in. If the shear stress in the steel is 38 ksi, determine the bearing stress between the punch and the steel.
Axial loads are applied with rigid bearing plates to the sol…
Axial loads are applied with rigid bearing plates to the solid cylindrical rods shown. If P = 31 kN, Q = 23 kN, and R = 26 kN, determine the absolute value of the axial load in rod (3).
Two circular polycarbonate [E = 7.6 GPa; ν = 0.36; α = 29 ×1…
Two circular polycarbonate [E = 7.6 GPa; ν = 0.36; α = 29 ×10-6/°C] disks are shown. At an initial temperature of Ti = 23°C, the diameter of the smaller disk is D = 90 mm and the thickness of the disk is t = 8.1 mm. At a final temperature of Tf = 53°C, determine the thickness of the disk.
A silicone rubber [ν = 0.49] wristband has an initial length…
A silicone rubber [ν = 0.49] wristband has an initial length of 107 mm and a width of 10 mm. If the wearer stretches the length by 23 mm while putting it on, what is the corresponding change in width?
A rigid steel bar is supported by three rods as shown. There…
A rigid steel bar is supported by three rods as shown. There is no strain in the rods before the load P is applied. After load P is applied, the normal strain in rods (1) is 2,740 μm/m. Assume initial rod lengths of L1 = 1,250 mm and L2 = 2,000 mm. Determine the normal strain in rod (2).
Two circular polycarbonate [E = 7.6 GPa; ν = 0.36; α = 29 ×1…
Two circular polycarbonate [E = 7.6 GPa; ν = 0.36; α = 29 ×10-6/°C] disks are shown. At an initial temperature of Ti = 15°C, the diameter of the smaller disk is D = 80 mm and the thickness of the disk is t = 8.9 mm. At a final temperature of Tf = 52°C, determine the thickness of the disk.
If a uniform distributed load w = 52 lb/ft and concentrated…
If a uniform distributed load w = 52 lb/ft and concentrated load P = 690 lb are applied to the beam as shown, determine the vertical reaction force at B. Assume a = 14.0 ft and b = 6.9 ft.
A stainless steel tube with an outside diameter of 72 mm and…
A stainless steel tube with an outside diameter of 72 mm and a wall thickness of 5 mm is used as a compression member. If the axial stress in the member must be limited to 382 MPa, determine the maximum load P that the member can support.
A steel rod with a 1.50-in. gage length and a 0.100-in. diam…
A steel rod with a 1.50-in. gage length and a 0.100-in. diameter is loaded in tension. At the proportional limit, a load of 550 lb elongates the gage length by 0.00318 in. and reduces the diameter by 0.000057 in. Determine the modulus of elasticity.