5H10.50 • Spin Magnet
Location: Cabinet 2
Photo of the Demonstration at the University of Texas at Austin.
Concept conveyed:
- The demo illustrates magnetic attraction and rotational motion.
- The magnet’s pointed tip attaches to the glass, and because only a very small area is in contact, friction is low enough for it to spin freely.
- Once spinning, it keeps rotating due to inertia and gradually slows as friction and air resistance act on it.
- A gentle push adds torque, allowing the magnet to start spinning or increase its rotational speed.
Instructions/ Notes:
- Put the glass onto the gap/slit (triangular side pointed up) in the black base so it sits.
- Bring the pointed end of the magnet to touch the glass surface.
- The magnet should stick and begin to spin on its own.
- Bring the pointed end of the magnet to touch the glass surface.
- The magnet should stick and begin to spin on its own.
- Optionally, give a gentle push to the magnet; start or speed up the spin.
Staff Notes:
- Make sure surfaces are clean and free of dust.
- Make sure to keep the glass piece inside the plastic wrap after using.
Last updated on January 23, 2026