Trebuchets are unprejudiced structures consisting of two A-frames with an axel between them. Around the axel is a lever arm that pivots. One mop up of the lever is shorter and carries a counter weight; and on the other end is a sling that carries a projectile. It is considered a counterweight seige engine.
Very simply, it is a lever and a sling. A lever is a simple machine that allows you to move heavy objects long distances with little energy. To use a lever, a person rests it on a support, the fulcrum, which is displace near the lower end of the lever and inserts it under the object to be lifted. The person pushes down on the upper end of the bar, the bar pivots on the fulcrum and the lower end is forced up. in that respect are three physiquees of levers; class 1, class 2, and class 3. The trebuchet lever is a class 1 lever. A class 1 lever uses a fulcrum which is off center to sum up the force to launch the projectile. A seesaw is also an role model of a class 1 lever. For the...If you want to get a full essay, order it on our website: Orderessay
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