Re: help on catapults

Kim Greco (kimg@sonic.net)
Tue, 17 Jun 1997 21:48:50 -0700


Message-Id: <v01540b02afcd190ac9f2@[208.201.231.90]>
Date: Tue, 17 Jun 1997 21:48:50 -0700
To: pinhole@exploratorium.edu
From: kimg@sonic.net (Kim Greco)
Subject: Re: help on catapults

Why , for the catapult, is work = 1/2 force X distance??? Why the 1/2??