Elasticity Flashcards
1
Q
if the deformation is in the elastic limit then
A
the body regains it’s shape
2
Q
Stress
A
An internal restoring force per unit area of cross section
3
Q
Stress is denoted by
A
sigma
4
Q
Strain
A
Change in unit size
5
Q
Strain is denoted by
A
epsilon
6
Q
Hooke’s Law
A
For small deformations, stress is proportional to strain
7
Q
Young’s modulus
A
Fl/A delta l
8
Q
Bulk modulus
A
minus p upon (delta V by V)
9
Q
Compressibility
A
1 by B i.e. Bulk modulus
