Deformation of solids Flashcards
1
Q
Extension
A
Increase in the length of spring when a load is hung
2
Q
Load
A
weight hung on a spring
3
Q
Limit of proportionality
A
The point beyond when Hookes law is no longer true when stretching a material
4
Q
Hooke’s Law
A
A material will obey hookes law if the extension produced is directly proportional to the applied force
5
Q
Stress
A
Force per unit cross sectional area
6
Q
Strain
A
Extension per unit length
7
Q
Elastic limit
A
Maximum force that can be applied to a wire or spring such that it returns to its orignal length after the force has been removed
8
Q
Strain energy
A
Energy stored in a body due to change in shape