Re: are normal reaction and tension conservative ?

[John Mallinckrodt <ajmallinckro@CSUPOMONA.EDU>]

oops!

On Sat, 30 Jun 2001, I wrote:

> ... a rope may (and usually does) exert a stronger pull at
> each specific length while being extended than when it is
> subsequently allowed to relax.  As a result, the work done
> *by* an external agent to extend the rope is smaller than the
                                               ^^^^^^^
> work done *on* the external agent as it is allowed to relax.

Of course, I meant *larger.* (But doncha just have to love those
ropes that give more than they get?  Perhaps they could become the
basis for our energy policy in the Golden State.)

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