We don't really need science, we just need a broom handle. Hold one out in front of yourself with one hand and ask a friend to try to tilt it. Now grab it with your second hand at some reasonable distance from your first hand and make his job ten times harder :)
We don't really need science, we just need a broom handle. Hold one out in front of yourself with one hand and ask a friend to try to tilt it. Now grab it with your second hand at some reasonable distance from your first hand and make his job ten times harder :)