A uniform elastic plank moves due to a force distributed uniformly over the end face

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A uniform elastic plank moves due to a force distributed uniformly over the end face. The crosssectional area is

A

and Young's modulus

Y

. The strain produced in the direction of the force is

\frac{1}{X} \cdot \frac{F_0}{AY}

. Find

X