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A common physics formula is: Force=Mass x Acceleration (F=MA), there is less mass in a ballon filled with lighter than air gas than the surrounding air around it. The ambient air compresses behind the ballon pushing it forward.
Last edited by SultansDiamond; Jul 29, 2006 at 01:08 AM.
Ok, so you have an enclosed C5 with a bunch of bees in it. At first all the bees are resting on the floor of the C5. Next all the bees are flying in the C5. What happens to the weight of the C5 when the bees go from resting to flying?
The car will gradually get lighter! . . . As the coolant leaks out after you hit that tree just up ahead!