Catapult physics is basically the use of stored energy to hurl a projectile (the payload), without the use of an explosive. The three primary energy storage mechanisms are tension, torsion, and gravity.The catapult has proven to be a very effective weapon during ancient times, capable of inflicting great damage.atapult physics is basically the use of stored energy to hurl a projectile (the payload), without the use of an explosive. The three primary energy storage mechanisms are tension, torsion, and gravity. The catapult has proven to be a very effective weapon during ancient times, capable of inflicting great damage.
Assembling the Armor. 1  1. Shape and contour the craft foam to your body. 2  2. Glue the craft foam together wherever the pieces were designed to overlap. 3  3. Reinforce and stiffen the armor.  4. Work in 1  sections. 5. Leave openings.  6. Decide how to attach the armor to your body.
How To Craft Minecraft Horse Armor. You can craft horse armor with six items of the material you want to make the armor out of. So youâll need six iron ingots, six gold bars or six diamonds.Youâll also need a piece of wool for the saddle blanket.ou can craft horse armor with six items of the material you want to make the armor out of. So youâll need six iron ingots, six gold bars or six diamonds. Youâll also need a piece of wool for the saddle blanket.