A Nail with a Diameter of 1

Multiple Choice

A nail with a diameter of 1.00 mm projects 25.0 mm horizontally outward from a wall. A 40.0 N picture is hung from the end of the nail. If the shear modulus is 3.40 × 10¹⁰ N/m², then how much does the nail deflect downward?

A) 3.74 × 10^-5 m
B) 4.45 × 10^-5 m
C) 4.78 × 10^-5 m
D) 5.65 × 10^-5 m
E) 7.85 × 10^-5 m