Which of the following statements is true about a swinging pendulum?
A) Its kinetic energy is greatest when it is vertical (at the midpoint of its swing).
B) Its potential energy is greatest when it is vertical (at the midpoint of its swing).
C) Its kinetic energy does not change as it swings.
D) Its potential energy does not change as it swings.

Question

Quizplus · Accepted Answer

The kinetic energy of a swinging pendulum is greatest at the lowest point of its swing, which is when it is vertical (at the midpoint). This is because all the potential energy at the highest points of the swing has been converted into kinetic energy.

Which of the Following Statements Is True About a Swinging