A Rod with a Diameter of 3 $\times$ 10^-6 M $\times$ 10^-4 $\times$

Multiple Choice

A rod with a diameter of 3.00 mm,projects 2.0 cm horizontally outward from a wall.A 50.0 N weight is hung from the end of the rod and the rod deflects downward by 2.00 $\times$ 10^-6 m.The shear strain of the rod is

A) 1.00 $\times$ 10^-4.
B) 1.50 $\times$ 10^-4.
C) 2.00 $\times$ 10^-4.
D) 2.50 $\times$ 10^-4.
E) 3.00 $\times$ 10^-4.