EM 319 Mechanics of Solids Fall 2010 Homework #1 Due: 9/2/2010 1. Loads are applied at sections A, B, C, and D. If the bar has a cross-sectional area of 3 in2, determine the stress in the bar a. On a section 10 in. to the right of A b. On a section 60 in.

EM 319 Mechanics of Solids Fall 2010 Homework #1 Due: 9/2/2010 1. Loads are applied at sections A, B, C, and D. If the bar has a cross-sectional area of 3 in2, determine the stress in the bar a. On a section 10 in. to the right of A b. On a section 60 in.

EM 319 Mechanics of Solids Fall 2010 Homework #2 Due: 9/9/2010
1. Find the change of length of the entire structure, given that: EAB = 2E, EBC = E, ECD = 3E, AAB = A, ABD = 2A.
B A P L
Solution: FBDs
C
E 3P
D 2P L
1/2L
1/2L
B PAB PA PBC PA
B
C PCE PED 2P

EM 319 Mechanics of Solids Fall 2010 Homework #2 Due: 9/9/2010
1. Find the change of length of the entire structure, given that: EAB = 2E, EBC = E, ECD = 3E, AAB = A, ABD = 2A. B A P L 1/2L 1/2L C 3P D 2P L
2. The structure ABC is subjected to the loads s