Question

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Describe some important changes you would suggest to a “trebuchet” manufacturer. Explain your improvement in terms of motion in two dimensions.

Answer 1

# Describe some important changes you would suggest to a “trebuchet” manufacturer.

The original design of a "trebuchet" was to have a fabric pouch in which the projectile would be stored. This pouch would be stored underneath the swing arm and swing outwards as the counterweight fell to the ground. Each end of the fabric pouch would have a piece of string coming off of it, which would be connected to one end of a trebuchet arm.

One of the pieces of string would be firmly tied around the eye hook at the end of a trebuchet arm. At the end of other string would be a metallic ring that would slot onto a hook at the same end of a trebuchet arm. As trebuchet arm swung forward, the metallic ring would slide off the hook which releasing one of the strings, opening up the pouch and hurling the projectile forward.

After constructing this type of trebuchet, it proved to be unsuccessful in producing enough data to be harvested. The pouch that stored a projectile resisted releasing it as the edges of pouch did not allow free movement. The metal ring resting on the hook also did not consistently fall off the hook which means that the projectile remained in pouch or did not travel any notable distance on many attempts.

Then, a trebuchet was modified so that projectile was fired every time and could easily be analysed. The fabric pouch was replaced with a plastic spoon super-glued to the top of a trebuchet arm.