Answer:
Option a (4 MPa) is the right answer.
Step-by-step explanation:
The given values are:
Force,
F = 8 kN
Area,
A = 2 cm²
The stress will be:
⇒ [tex]\sigma = \frac{Force}{Area}[/tex]
By substituting the given values, we get
[tex]=\frac{8}{2}[/tex]
[tex]= 4 \ MPa[/tex]