(To Download)
Right click on image
Select "Save Image As"
Select location
Hit Save, and then print.
Or, save a tree, and just follow the instructions on this page.
Why This Works:
Catapult physics is basically the use of stored energy to launch a projectile in motion without the use of an explosive. The catapult has proven to be a very effective weapon during ancient times. Check out the following link for some more examples:
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