A Nail Projects 25 $\times$ 10^-5 M $\times$ 10¹⁰ N/m²,then What Is the Diameter of the Nail?
A)

Multiple Choice

A nail projects 25.0 mm horizontally outward from a wall.A 400 N picture is hung from the end of the nail and the nail deflects downward by 2.00 $\times$ 10^-5 m.If the shear modulus is 3.40 $\times$ 10¹⁰ N/m²,then what is the diameter of the nail?

A) 1.60 mm
B) 1.86 mm
C) 2.16 mm
D) 2.44 mm
E) 2.65 mm