[Physltest] [Phys-L] Re: Forces acting on a book

[SSHS KPHOX <kphox@CHERRYCREEKSCHOOLS.ORG>]

Forum for Physics Educators <PHYS-L@list1.ucc.nau.edu> writes:
> This is actually one of the questions on the FCI (at least on the
> original)
> and one I omit when I use the test (primarily because we have not talked
> about air pressure by the time I give the test.)

This was the instigator of the debate and a disagreement over the
"correct" answer.

Ken
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