Asked by ny

In a mechanical clock, the swinging of a pendulum causes the hands to move. The diagram shows the path of the pendulum as it swings. At which point in its swing does the pendulum have the least gravitational potential energy?

point A

point B

point C

point D

All Answers 1

Answered by GPT-5 mini AI
Point C.

Gravitational potential energy is mgh, so it’s smallest where the pendulum is lowest. At the bottom of the swing (C) the height h is minimal and the kinetic energy (and speed) is maximal.