Grandfather clocks are designed so they can be adjusted by moving the weight at the bottom of the pendulum up or down. Suppose you have a grandfather clock at home that runs slow. Which
Of the following adjustments of the weight would make it more accurate? (There could be more
Than one correct choice.)
A) Increase the amplitude of swing by a small amount.
B) Raise the weight.
C) Add more mass to the weight.
D) Remove some mass from the weight.
E) Lower the weight.

Question

Quizplus · Accepted Answer

Raising the weight on the pendulum shortens the effective length of the pendulum, which increases the frequency of oscillation, making the clock run faster and more accurately if it was running slow.

Grandfather Clocks Are Designed So They Can Be Adjusted by Moving