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Re: Mass

Brian Whatcott wrote:

Mass is the name given to the resistance observed when
attempting to change the linear speed of some coherent object
which is otherwise perfectly free to move.

What is the name given to the resistance observed when attempting to change
the direction of a moving object which is otherwise perfectly free to move?

When push comes to shove I tell my students that mass like charge is
something that "stuff" has.

Cliff Parker

Never express yourself more clearly than you can think.
Niels Bohr