The unit for stress is……………
a) N/m2
b) Pa
c) N/m
d)
both a & b
Strain:
The extension per unit length is called………...
a) young’s modulus
b) stress
c) Hooke’s law
d) strain
Explanation:
strain = extension/
original length
The unit of strain is…………….
a) N/m2
b) Pa
c) N/m
d)
no units
When stress acts on a body, it may changes its
a) length
b) volume
c) shape
d) all of these
