You work in a clock shop and are dealing with an irate customer whose clock you are restoring. They notice that the period of the pendulum in their clock is 2 s and they want to double it. So they insist that you replace the pendulum with one of the same dimensions but just heavier. So you do this. When you get the clock repaired, you and the customer check out the clock's period and find it to be
A) 2 s.
B) 4 s.
C) 8 s.
D) 16 s.

Question

Quizplus · Accepted Answer

The period of a pendulum is determined by its length and the acceleration due to gravity, not by its mass. Therefore, changing the mass of the pendulum without altering its length does not change its period.

You Work in a Clock Shop and Are Dealing with an Irate