Stress Flashcards
1
Q
what is stress
A
- internal force opposing the external force on a body
2
Q
what force is acting on us at all times?
A
gravity
3
Q
what are the 4 types of stress?
A
- tension
- compression
- torsion
- shear
4
Q
what is tension?
A
- act of pulling
- tensile strength
5
Q
what is compression
A
- act of pushing
- compressive strength
6
Q
what is torsion?
A
- act of twisting
- torque strength
7
Q
what is shear?
A
- act of ripping
- shear strength
8
Q
what is the 5th type of stress?
A
- bend
- combination of stresses, compression and tensile and shear
9
Q
name some example of materials with high tensile strength
A
-rope wire chains
10
Q
name some example of materials with high compressive strength
A
- concrete, gravel
11
Q
name some example of materials with high torque strength
A
screws
12
Q
name some example of materials with high shear strength
A
wood, bolts, nails
13
Q
what is deformation?
A
- change in a body of matter whenever a force is applied or acts on the body –> always happens even if you cant see it
