Magnetic discs
Q1. Magnetic discs
Find the three magnetic discs setup. It will look something like this:
Q1. Draw the FBD for the bottom disc. (You might want to think about how the poles of the magnets must be oriented. Try moving the discs, what do you notice?)

If you are unable to access the setup within the lab room, you may use the following video for more information to help you determine how to draw your FBD for the bottom disc.