ME 2570 Mechanics of Material
Lecture 07
Instructor: Yufeng Hu, PH.D., PE
CHAPTER 6 BENDING
1. SHEARANDMOMENTDIAGRAM
A Beam is a member that is slender and support loadings that are applied to its longitudinal
axis.
Beams are considered as one of the most
ME 2570 Mechanics of Material
Lecture 03
Fall 2015
Instructor: Yufeng Hu, PH.D., PE
CHAPTER 1 STRESS
6. ALLOWABLESTRESSDESIGN
To ensure the safety of a structural member or mechanical element, it is necessary to restrict the
applied load to one that is le
ME 2570 Mechanics of Material
Lecture 06
Fall 2015
Instructor: Yufeng Hu, PH.D., PE
CHAPTER 5 TORSION
4. ANGLEOFTWIST
Sometimes the design of a shaft depends on restricting the amount of rotation or twist.
Furthermore, it is necessary to calculate the ang
ME 2570 Mechanics of Material
Lecture 05
Fall 2015
Instructor: Yufeng Hu, PH.D., PE
CHAPTER 4 AXIAL LOAD
5. THERMALSTRESS
Changes in temperature can produce changes in the dimensions of a body.
In general, a temperature increase will produce expansion in
ME 2570 Mechanics of Material
Lecture 04
Fall 2015
Instructor: Yufeng Hu, Ph.D., PE
CHAPTER 3 MECHANICAL PROPERTIES OF MATERIAL
5. POISSONSRATIO
When a deformable body is subjected to an axial tensile force, it not only elongates
longitudinally but also c
ME 2570 Mechanics of Material
Lecture 02
Fall 2015
Instructor: Yufeng Hu, PH.D., PE
CHAPTER 1 STRESS
3. STRESS
The force and moment acting at O are the resultant effects of the actual distribution of loading
acting over the sectioned area. By dividing the
ME 2570 Mechanics of Material
Lecture 01
Fall 2015
Instructor: Yufeng Hu, PH.D., PE
CHAPTER 1 STRESS
1. INTRODUCTION
Mechanics of materials is a branch of mechanics that studies the internal effects of strain and
stress in a solid body that is subjected t
ME 2570 Mechanics of Material
Lecture 08
Fall 2015
Instructor: Yufeng Hu, PH.D., PE
APPENDIX A GEOMETRIC PROPERTIES OF AN AREA
1. CENTROIDOFANAREA
The centroid for the surface area of an object can be determined by subdividing the area into
differential e