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Transcript

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Research

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The Trebuchet was designed as a giant sling. Missiles thrown from the Trebuchet catapults were deadly. The Trebuchet is generally associated with throwing stones. A Trebuchet could release up to 2000 stones in one day! Should the supply diminish sharp wooden poles and darts would be used. Fire caused havoc in a besieged castle or city and a variety of fire missiles, including firebrands were thrown. Terrifying Greek fire was also used as a missile from the medieval trebuchet. Medieval Trebuchets could launch missiles hundreds of yards at, or even over, a castle, fortress or city wall. Attackers were smart in their ideas for launching

Variables

The Independent variable: the trebuchet and the weight of the projectile.

Dependent variable: the mass of the counterweight.

Procedure

Conclusion

I built a trebuchet and launched a projectile from it 5 times at 4oz then increased the weight to 8oz and launch the projectile from it 5 more times. Finally I increased the weight to 12oz and launched the projectile 5 more times.

in the end when i increased the weight to 12 oz the trebuchet threw almost 6 ft. one modification i had to make to my trebuchet was to put a back on it to stop the throwing arm so it would throw further

Problem

How does changing the mass of the counterweight affect the distance that a projectile can be thrown by a trebuchet

Trebuchet challenge

  • Spencer Huffman
  • Mrs. Ryan
  • John long middle school

Data

Project Overview

I built a trebuchet and launched a projectile from it 5 times at 4oz then increased the weight to 8oz and launch the projectile from it 5 more times. Finally I increased the weight to 12oz and launched the projectile 5 more times.

If I increase the weight of the counterweight then it will throw the projectile further.

Materials

A module trebuchet

A projectile

Hypothesis

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