A Nail Projects 40

Multiple Choice

A nail projects 40.0 mm horizontally outward from a wall. A 25.0 N coat is hung from the end of the nail and the nail deflects downward by 2.50 × 10⁻⁶ m. The shear strain of the nail is

A) 4.00 × 10⁻⁵.
B) 4.75 × 10⁻⁵.
C) 5.01 × 10⁻⁵.
D) 5.75 × 10⁻⁵.
E) 6.25 × 10⁻⁵.