The Foucault Pendulum is on the second floor of Kreger Hall, adjacent to a study area and across the hall from the physics office. Kolb couldn’t miss it now if she tried. Editor's note : In the video, ...

This is because the swinging motion of a pendulum is due to the force of gravity generated by the earth's size. Other factors, including a pendulum's length, can also affect its motion.

If your pendulum was drawing lines in sand, like Foucault's, n would be the intersection angle between the first line and a line drawn 24 hours later (actually, it's 23 hours, 56 minutes and 4.1 ...