A Shear Force of 400 N Is Applied to One

A shear force of 400 N is applied to one face of an aluminum cube with sides of 30 cm. What is the resulting relative displacement? (The shear modulus for aluminum is 2.5 × 10¹⁰ N/m²)

A) 1.9 × 10^-8 m
B) 2.6 × 10^-8 m
C) 4.4 × 10^-8 m
D) 5.3 × 10^-8 m
E) 8.2 × 10^-8 m