Problem

My partner and I need to design a car that will drive up the steep hill.

Choice 1

This design did not do as well as I thought it would. I thought that this design could actually go up 45 degrees, but it failed. There was not enough traction in the tires for the car to succeed the challenge.


Choice 2

Although this design looks like it could make it up 45 degrees, it failed also. This design also did not have enough traction in the tires.


Choice 3 (click video file to watch)

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This was our best design. We built a track that could support the gears the whole way up. We used the gears as wheels, so it looked like a roller coaster going up the track.