Experiment of December 6, 2022:

The time to submit an answer is over. You can now view the solution of the experiment.

Solution video:

Experiment:

Question:

What does Mr. Santa observe?

A) The key ring climbs up when you turn the pencil right and slides down when you turn it left.

B) The key ring slides down no matter which way you turn the pencil.

C) The key ring stays in place when you turn the pencil, no matter which way you turn it.

D) The key ring stays in place when you turn the pencil right and slides down when you turn it left.