One of them is the Ballista. The word Ballista comes from the Greek word “ballistes” meaning to throw. It is believed that it was created by the Greeks and then modified by the Romans later. The Ballista is the earliest catapult and looks like a giant crossbow, but it was better than a crossbow because it was able to amplify the power and range. There are two wood arms that are attached to rope. The rope gets pulled back, pulling the arm back with it. When it is released, the projectile will shoot towards the enemy with very good accuracy. It was usually used to shoot arrows or …show more content…
This weapon is the most powerful catapult and was designed for maximum force. It was used to hurl stones to demolish cities and castles. This catapult is believed to have been invented in China in 300 BC. The Trebuchet is a counterweight siege engine. It had a long wood arm that could have been up to 60 feet. There was a short arm that was attached to a counterbalance which was a heavy weight, usually earth, sand or stone. There was a sling and a rope attached at the end of the long arm. The rope would be pulled down until the counterbalance was high in the air and that was where the potential energy was stored. After the sling was loaded with projectiles, the rope would be released and the counterbalance falls down. The potential energy converts into kinetic. When the long arm comes to a quick stop, the projectiles will continue moving at the same velocity that was produced by the kinetic energy. This catapult was the most feared weapon because of all its