Physics & Astronomy

You Can't Pull Without Being Pulled

Purpose
To show that you can't pull on an object without the object exerting an equal but oppositely directed pull on you.
Location
Room 136, shelf M3
Description
This demo is best done with 2 participants, each holding one of the dial scales which are connected by a string. Regardless of which one pulls, the other scale pulls with equal force in the opposite direction.