Mechanics of Materials - Instructor Solutions Manual 9th. Edition by Russell Charles Hibbeler | 9780133254426 | 0133254429

Mechanics of Materials – Instructor Solutions Manual [EXP-4667]

1550 SOLVED PROBLEMS

Question: 7.64

Determine the location e of the shear center, point O, for the thin-walled member having the cross section shown. The member segments have the same thickness t.

Verified Answer:

Summing moments about A ,

e P=b F_{1} [/lat...

Question: 13.57

The 6061-T6 aluminum alloy solid shaft is fixed at one end but free at the other end. If the shaft has a diameter of 100 mm, determine its maximum allowable length L if it is subjected to the eccentric force P=80 kN.

Verified Answer:

Section Properties.

A=\pi\left(0.05^{2}\rig...

Question: 11.45

The bearings at A and D exert only y and z components of force on the shaft. If τ allow =60 MPa, determine to the nearest millimeter the smallest-diameter shaft that will support the loading. Use the maximum-shear stress theory of failure.

Verified Answer:

Critical moment is at point B :

M=\sqrt{(47...

Question: 13.84

Using the AISC equations, select from Appendix B the lightest-weight structural A992 steel column that is 30 ft long and supports an axial load of 200 kip. The ends are fixed.

Verified Answer:

\text { Try } \mathrm{W} 8 \times 40 \quad ...

Question: 14.72

. Determine the vertical displacement of joint A. Each A992 steel member has a cross-sectional area of 400 mm2 .

Verified Answer:

Member n N L nNL AB 1.25 50 2.5 156.25 AE -0.7...

A 1.5-in.-diameter shaft is made from an elastic-plastic material as shown. Determine the radius of its elastic core if it is subjected to a torque of T = 200 lb.ft. If the shaft is 10 in. long, determine the angle of twist.

Verified Answer:

A 100-mm-diameter circular rod is bent into an S shape. If it is subjected to the applied moments M = 125 N.m at its ends, determine the maximum tensile and compressive stress developed in the rod.

Verified Answer:

A 125.0-mm-diameter shaft rotates inside a stationary bushing whose inside diameter = 125.6 mm and length = 50.0 mm. In the clearance between the shaft and the bushing is a lubricating oil whose viscosity = 0.14 Pa-s. The shaft rotates at a velocity of 400 rev/min; this speed and the action of the

Mechanics of Materials – Instructor Solutions Manual [EXP-4667]

Determine the location e of the shear center, point O, for the thin-walled member having the cross section shown. The member segments have the same thickness t.

Verified Answer:

The 6061-T6 aluminum alloy solid shaft is fixed at one end but free at the other end. If the shaft has a diameter of 100 mm, determine its maximum allowable length L if it is subjected to the eccentric force P=80 kN.

Verified Answer:

The bearings at A and D exert only y and z components of force on the shaft. If τ allow =60 MPa, determine to the nearest millimeter the smallest-diameter shaft that will support the loading. Use the maximum-shear stress theory of failure.

Verified Answer:

Using the AISC equations, select from Appendix B the lightest-weight structural A992 steel column that is 30 ft long and supports an axial load of 200 kip. The ends are fixed.

Verified Answer:

. Determine the vertical displacement of joint A. Each A992 steel member has a cross-sectional area of 400 mm2 .

Verified Answer:

A 1.5-in.-diameter shaft is made from an elastic-plastic material as shown. Determine the radius of its elastic core if it is subjected to a torque of T = 200 lb.ft. If the shaft is 10 in. long, determine the angle of twist.

Verified Answer:

A 100-mm-diameter circular rod is bent into an S shape. If it is subjected to the applied moments M = 125 N.m at its ends, determine the maximum tensile and compressive stress developed in the rod.

Verified Answer:

A 125.0-mm-diameter shaft rotates inside a stationary bushing whose inside diameter = 125.6 mm and length = 50.0 mm. In the clearance between the shaft and the bushing is a lubricating oil whose viscosity = 0.14 Pa-s. The shaft rotates at a velocity of 400 rev/min; this speed and the action of the

Verified Answer:

A 150-lb bucket is suspended from a cable on the wooden frame. Determine the resultant internal loadings acting on the cross section at E.

Verified Answer:

A 150-lb bucket is suspended from a cable on the wooden frame. Determine the resultant internal loadings on the cross section at D.

Verified Answer: