Here's some advice;
take notes, pay attention in class, and use your textbook, if you can't find the answer look on the web, ask a friend, but never use brainly because people will say random stuff to get points.
Answer:
It provides structre and support :)
Explanation:
In pendulum clocks, the pendulum sways across from one end to another. This is called as harmonic motion.
hope it helps
pls mark me as brainliest
