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Catapult Project


heather_heupel

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This is mine and Michalla's catapult. We are excited to launch tomorrow although it does not throw a very far distance. Prior to building it, we did not do any calculations. We built it by eye and what we thought would launch the best. Even though it is not amazing, we are proud of how it came out because at first we never thought us two could build one.

If we were to do the project again, we would keep in mine that if it was angled at 45 degrees, it would travel the farthest. Also, if we used some sort of springs we think that the velocity right after the softball leaves the lacrosse stick would be higher. Lastly, from watching lacrosse games I know that lacrosse sticks are often broken. From being in physics class, I now know that all forces come in pairs (Newtons 3rd Law). This has been starting to make me nervous because as the catapult is exerting a force on the softball, the softball is exerting the same force back onto the catapult. If the project wasn't tomorrow I would think about changing what I used to build it for this reason. It should be fun to see what happens tomorrow.

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