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)Raise the weight.
B)Lower the weight.
C)Add more mass to the weight.
D)Remove some mass from the weight.
E)Increase the amplitude of swing by a small amount.

Question

Quizplus · Accepted Answer

In a grandfather clock, the weight controls the speed of the pendulum. By raising the weight, the pendulum's swing speed increases, which would make the clock run faster and more accurately. Therefore, raising the weight is the best choice to make the grandfather clock more accurate.

Grandfather Clocks Are Designed So They Can Be Adjusted by Moving