Try this at Home

Drop a Golf ball and a Ping Pong Ball





Larger the Mass,

the Greater the Inertia








Inertia and Mass Directly Related


Twice the Mass,
Twice the Inertia


(resistance to being accelerated
by a force)


"Why are the most

massive (most inertia)

football players





"Why are the least

massive (least inertia)

football players











"Receivers want to

change motion, lineman

want to hold their





What Makes The
World Go 'Round?
















An Object in Motion
Tends to Stay in Motion




Dynamic Equilibrium


St. Mary's HS Physics

First Law Game

St. Mary's HS Physics

| Onsite  Krampf |

Go to Robert Krampf's website





Eggs and Inertia -




Ranking Task


Rank the carts below from greatest inertia to least. Explain your answer. 















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Established 1995
 Use any material on this site (w/ attribution)