Bolts Work Because They Act Like Very Strong Springs and Extend

Multiple Choice

Bolts work because they act like very strong springs and extend slightly when they are tightened. Suppose a steel bolt has spring constant 1.8x10⁸ N/m. How far would it have to stretch in order to provide a force 2000N?

A) 1.8x10^-3 m
B) 1.8x10^-8 m
C) 1.11 m
D) 1.11x10^-5 m