This car works by winding the back wheels and then releasing them on the ground. By pulling back the back wheels, you are rotating and building up potential energy for the rubber band; once you let go of the back wheels, it begins to unwind. All the built-up potential energy converts to kinetic energy propelling the car forward.
A successful area of this project was the amount of distance this car could travel for its size. Before creating the final product, something my partner and I were both extremely nervous about was whether our car would be too heavy. If it was heavy, then the distance traveled would be small. So my partner and I used less dense material to further the distance the car could travel.
Something that could be improved in the future is the precision whilst making the car; many small mistakes were made in the process that eventually built up into a large issue, which caused us to slow down and waste a significant amount of time.
This project positively impacts the environment since it is largely made out of recycled materials. For example, we used old bottle caps, old CDs, old straws, and even crushed plastics of various unused materials.
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