The truck would be lighter while it crosses the bridge if the chickens could jump so high that they remain in the air until the truck is over the bridge. Assuming the chickens have super thighs and aren't boxed in. ;-)
Harry > > > > > >On Sun, Jan 23, 2011 at 3:36 AM, John Berry <[email protected]> wrote: > >Of course, in practice the results can sometimes indicate that momentum isn't >conserved. >> >> >>This example is in principle not dissimilar to some inertial propulsion >>concepts >>and there is evidence that some may work. >> >> >> >>On Sun, Jan 23, 2011 at 3:19 PM, Stephen A. Lawrence <[email protected]> wrote: >> >> >>> >>>And when a truck full of chickens with 3 ton gross weight is about to >>>drive over a bridge rated at 2 tons, it doesn't do the driver any good >>>at all to bang on the side of the truck. The chickens all fly up into >>>the air inside the truck, but none the less, it still requires 3 tons of >>>upward force on the wheels to support the truck and chickens. ('Course, >>>if he's got a ton of chickens on board, chances are they're too fat to >>>fly, anyway.) >>> >>> >>> > >
