Question

The brick shown in drawing the is glued to the floor. A 3500-N force is applied to the top surface of the brick as shown. If the brick has a shear modulus of 5.4 109 N/m2, how far to the right does the top face move relative to the stationary bottom face?

Answer 1

2.6E-6

Answer 2

I dint know

Answer 3

I tried to use Youngs Moduleust B = (F/A)/(dL/l) to get 1.3x10^-6

but the answer is 1.1x10^-6