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Re: Weight and Mass

Or if you think in terms of pushing a shopping cart, consider the
"effort" needed to start a fully loaded shopping cart as opposed what is
needed to keep it moving at a constant velocity...then compare that with
your experience with an empty shopping cart.

cheers

On Mon, 24 Sep 2001, John
S. Denker wrote:

At 05:59 PM 9/24/01 -0500, cliff parker wrote:
Any ideas on how one could convince students that the resistance one feels
when pushing a car is largely because of inertia and not friction, short of
repeating the experiment on the moon?

Observe that it keeps going when you stop pushing.


Joseph J. Bellina, Jr. 219-284-4662
Associate Professor of Physics
Saint Mary's College
Notre Dame, IN 46556