Experiment of December 19, 2018:

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

Solution video:

Experiment:

Question:

How much does the ruler bend with one, two or three bottles?

A) 1: single, 2: single, 3: single (the second or third bottle does not change anything anymore)

B) 1: single, 2: double, 3: double (the third bottle does not change anything anymore)

C) 1: single, 2: double, 3: triple

D) 1: single, 2: fourfold, 3: ninefold