Increasing the Mass M of a Mass-And-Spring System Causes What

Multiple Choice

Increasing the mass m of a mass-and-spring system causes what kind of change on the resonant frequency of the system?

A) There is no change in the frequency.
B) The frequency increases if the ratio k/m is greater than or equal to 1 and decreases if the ratio k/m is less than 1.
C) The frequency increases if the ratio k/m is less than or equal to 1 and decreases if the ratio k/m is greater than 1.
D) The frequency decreases.
E) The frequency increases.