Answer:
As the force at the other end of the plank is zero, so the average stretching force \[=\frac{F+0}{2}=\frac{F}{2}\] \[\therefore \] \[\text{Stress = }\frac{\text{F}}{\text{2A}}\] \[\text{Strain = }\frac{Stress}{\Upsilon }=\frac{1}{2}\frac{F}{A\Upsilon }.\]
You need to login to perform this action.
You will be redirected in
3 sec