Question

When the body is suspended at the point of suspension, its periodic time and frequency will be _____________ as compared to the body suspended at the point of percussion.

(a) same

(b) two times

(c) four times

(d) eight times

This question was addressed to me in a job interview.

The doubt is from Simple Pendulum in division Simple Harmonic Motion of Machine Kinematics

Answer 1

Correct choice is (a) same

To elaborate: The distance between the center of suspension and center of percussion is equal to the equivalent length of a simple pendulum.