Sigh... time to drag out the free body diagrams and unstretchable massless string. 20 pounds.
On Tue, Sep 6, 2011 at 9:53 PM, Jeff Kaufman <[email protected]> wrote: > Mark Widmer wrote: >> >> each person exerts 20 pounds on the other person, and nobody is >> exerting 40 pounds. > > I really don't think so. Lets say the two of us are just connected by > my hand on your back. It takes 20lbf to keep you from going flying, > and 20lbf to keep me from going flying. So my hand puts 40lbf on your > back, and your back puts 40lbf on my hand. > > This ignores that there's no way we could swing this fast with just my > hand on your back. > > Jeff > _______________________________________________ > Callers mailing list > [email protected] > http://www.sharedweight.net/mailman/listinfo/callers >
