Animators Need an Equal (and Opposite) Reaction

Monty sneeze - with top hat reaction

One of the quickest ways to give your animation weight and believability—even in the wildest, wackiest cartoon world—is to respect a core principle of physics: Every action has an equal and opposite reaction.

This doesn’t mean your characters need to obey Newton's laws with documentary accuracy. What it does mean is we should obey the laws of Cartoon Physics.