Re: HRW CH 10. Problem 57

[John Mallinckrodt <ajm@CSUPOMONA.EDU>]

I wrote:

> The first answer should be 6 mg (so that the net vertical force is 5
> mg.)  Then the others make sense to one sig fig.

Hmm, should'a waited another second on hitting that "send" button.

I see that the problem asked for the average vertical force in part
a, NOT the average force from the ground.  So the answers are correct.

--
John Mallinckrodt        mailto:ajm@csupomona.edu
Cal Poly Pomona          http://www.csupomona.edu/~ajm