Posted by britney on Wednesday, December 6, 2006 at 7:08pm.
if the force which propels the cannonball forward is 500 n, how much force will move the cannon backward?
I assume 500n because forward is the opposite of backward, and 500n is the opposite of 500n.
Forces occur in equal and opposite pairs.

science  Anonymous, Thursday, March 26, 2009 at 3:46pm
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