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An aluminum rod with a 20.5-in. gage length and a 0.745-in. diameter is loaded in tension. At the proportional limit, a load of 17,000 lb elongates the gage length by 0.0666 in. and reduces the diameter by 0.00075 in. Determine the modulus of elasticity.

If a uniform distributed load w = 93 lb/ft and concentrated load P = 470 lb are applied to the beam as shown, determine the vertical reaction force at B. Assume a = 10.0 ft and b = 4.4 ft.

A cylindrical steel rod with a diameter of 0.605 in. and a length of 5.0 in. sits on a base that has a 0.5-in. gap at its middle. If a 11.8-kip load is applied above the gap, determine the shear stress in the rod.

Bolt holes with a diameter of 1.125 in. are punched into structural steel members that have a thickness of 0.37 in. If the shear stress in the steel is 46 ksi, determine the bearing stress between the punch and the steel.

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 4,410 μm/m. Assume initial rod lengths of L1 = 1,250 mm and L2 = 2,000 mm. Determine the normal strain in rod (2).

Bolt holes with a diameter of 1.000 in. are punched into structural steel members that have a thickness of 0.40 in. If the shear stress in the steel is 42 ksi, determine the bearing stress between the punch and the steel.

A steel rod with a 2.00-in. gage length and a 0.150-in. diameter is loaded in tension. At the proportional limit, a load of 800 lb elongates the gage length by 0.00282 in. and reduces the diameter by 0.000055 in. Determine the modulus of elasticity.

Bolt holes with a diameter of 1.000 in. are punched into structural steel members that have a thickness of 0.38 in. If the shear stress in the steel is 32 ksi, determine the bearing stress between the punch and the steel.

A thin polymer plate PQR is deformed so that corner Q is displaced downward by a distance L = 0.85 mm to new position Q’ as shown. Determine the shear strain at Q’ associated with the two edges (PQ and QR).

An aluminum bar with a 1.25-in. gage length, 0.235-in. width, and 0.100-in. thickness is loaded in tension. At the proportional limit, a load of 1,000 lb elongates the gage length by 0.00566 in. and reduces the width by 0.00029 in. Determine the modulus of elasticity.