Q. When a body is subjected to a direct tensile stress (?) in one plane, then normal stress on an oblique section of the body inclined at an angle ? to the normal of the section is (Solved)
1. ? cos ?
2. ? cos2 ?
3. ? sin ?
4. ? sin2 ?
- b. ? cos2 ?
1. ? cos ?
2. ? cos2 ?
3. ? sin ?
4. ? sin2 ?