The figure below shows one such idea for a design. Spaghetti bridge over the last couple of weeks our physics class as well as the grade elevens worked on the spaghetti bridge challenge project.
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To build a spaghetti bridge start by drawing a blueprint on graph paper and laying strands of spaghetti over it to build the sides and the bottom the bridge.
Physics spaghetti bridge project. Building a spaghetti bridge is an engineering project that can demonstrate different forces such as force due to gravity compression and tension. The goal of this project is to build a pasta bridge which supports as much weight as possible. The purpose of this challenge project is to provide 30s physics students with hands on application of the principles and applications of effective bridge design.
The goal of the spaghetti bridge project is to build the bridge with the best mass held. The process of building this bridge that i found most rewarding was learning how to build and design a bridge that can hold a large amount of weight compared to its size. Note that your bridge must therefore be longer than 50 0 cm or.
Mass of bridge ratio out of standard spaghetti and hot glue. Spaghetti bridge lab students find a relationship between the number of spaghetti strands making a bridge and the largest number of masses that can be supported. To determine the relationship between the number of spaghetti strands in a bridge and the strength of the bridge based on how many marbles hex nuts it holds until the breaking point.
I learned how to incorporate different styles of brindges into one bridge. After spending some class time and lots of spare lunch hours working on the bridge it was displayed in the case at the school entrance giving it a couple days to dry and harden. To make a pasta bridge as strong as possible you want the pasta members to be under compression or tension with minimal bending since this is how materials can best resist forces.
Good prediction as the number of spaghetti strands increases the strength of the bridge increases. Kylie gompf s physics wednesday 25 january 2012. Ensure your students have a basic knowledge of.
Students should also graph their data and write an equation for the graph. It has to be at least 39 cm long but has no height or width restrictions. Then use epoxy to glue the pieces of pasta together since it s strong and dries quickly.
This activity provides a great environment for discussing independent dependent and control of variables. Here s a video of the world champion spaghetti bridge where a 0 982. Good apparatus spaghetti marbles hex nuts.
It must span a distance of 50 0 cm between two tables. You are to build a bridge of spaghetti that meets the following criteria.
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