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Re: Impulse

A rubber mallet and a bowling ball is traditional -- bowling ball bonking
is written up in both P. Laws' _Workshop Physics_ and the AAPT _Powerful
Ideas in Physical Science (PIPS)_ curricula.

Dan M

Perhaps get a hammer and a bowling ball, and show them that one hit
changes the momentum very little, two hits does more...each one is a
average F for a small time interval and the effect adds over time.

joe