d21arizonaedu Solids Lesson 15 Thermal Coefficient of Expans

d21.arizona.edu Solids: Lesson 15- Thermal Coefficient of Expansion Axial Loading - Statically Indeterminate Example 1 Nawa 215 SP18 001 010 NIVERSITY RIZONA list . Discussions . Assignments . Grades Quizzes . UA Tools ·Ubrary Tools Day 14 (2/12/18) Pre-class Quiz-Qulz Nawaf Waleed Alghamdi: Attempt 1 Quiz Note: It is recommended that you save your response as you complete each question. Question 1 (1 point) With beams, shear forces and moments may be expressed as functions of \"x. True False Save Question 2 (1 point) According to the sign convention in this class, a counter-clockwise moment will always be positive. True False Save Question 3 (1 point) With support reactions, a force is created when a rotation or displacement is restricted.

Solution

Q1) true

Reason- d²y/dx²=-M/EI...................(M is moment, EI flexural rigidity)

also, d³y/dx³=-V/EI.........................(V is shear)

Q2)******* Its depends on your sign conventions (that you have adopted)