ES230 Strength of Materials
Lesson 3: Stress II
HOMEWORK (SOLUTION)
1. A 1 diameter vertical shaft is supported by a 1.5 diameter thrust collar that rests on the bearing plate as shown. If
the average shear stress between the collar and the shaft cannot e

ES230 Strength of Materials
Lesson 1: Statics Review I
HOMEWORK SOLUTION
1.
Determine the magnitude of internal bending moment that is present at the location of the 60 kip point load and
specify whether this moment results in compression on the outside o

ES230 Strength of Materials
1.
Lesson 4: Stress III
A rectangular bar having a width w=6.00 inches and thickness t=1.50 inches is subjected to a tension load P, as
shown. The normal and shear stresses on plane AB must not exceed 16 ksi and 8 ksi, respecti

ES230 Strength of Materials
Lesson 7: Properties of Materials II
ES230 Strength of Materials
Lesson 7: Properties of Materials II
ES230 Strength of Materials
Lesson 7: Properties of Materials II
ES230 Strength of Materials
Lesson 7: Properties of Material

ES230 Strength of Materials
Lesson 5: Strain
HOMEWORK (SOLUTION)
1. Rigid bar ABC is supported by a pin connection at B and two axial-force members. A slot in member (1)
allows the pin at A to slide 0.25 inches before it contacts the axial member. If the

ES230 Strength of Materials
Lesson 6: Properties of Materials I
HOMEWORK (SOLUTION)
0. MecMovie M3.1 and M3.2 (do not hand in). Be sure to hit the continue button throughout these, as this will show
graphical illustrations as specimens deform, etc.
1. Mec

ES230 Strength of Materials
Lesson 19: Flexure IV Composite Beams
HOMEWORK (SOLUTION)
1. Determine the allowable bending moment for y-axis bending. Given: Esteel = 30000 ksi, Ewood=1500 ksi. The allowable
bending stresses are steel=20 ksi and wood=1.2 ksi

ES230 Strength of Materials
Lesson 10: Elastic Deformation of an Axially Loaded Bar
HOMEWORK (SOLUTION)
0. MecMovie M5.3, M5.4 (do not hand in)
1. A hollow steel (E=30000 ksi) tube (1) with an outside diameter of 2.75-in. and a wall thickness of 0.25-in.

ES230 Strength of Materials
Lesson 13: Internal Shear and Moment I
HOMEWORK (SOLUTION)
FOR ALL PROBLEMS, USE THE STANDARD SIGN CONVENTIONS FOR INTERNAL MOMENT AND SHEAR.
1. Derive the equations for the shear force V and the bending moment M, then plot the

ES230 Strength of Materials
Lesson 17: The Flexural Formula
HOMEWORK (SOLUTION)
0. Do MecMovies 8.1, 8.2, and 8.9 as necessary to understand Moments of Inertia and basic bending stress computation (do
not hand in).
1. The steel beam has a cross-sectional