試題詳解

12. A shear force of 600 N is applied to one face of an alloy cube with sides of 20 cm while the opposite face is held fixed in place. What is the resulting displacement of the face? (The shear modulus for this alloy is 2.50 x 10¹⁰ N/m²)?
(A) 12 x 10^-8m
(B) 9.0 x 10^-8 m
(C) 6.0 X 10^-8m
(D) 3.0 x 10^-8 m
(E) None of the above