Should the axle on a Mouse trap Car be longer or shorter in order for it to go a great Distance

For most mousetrap car designs, the length of the axle isn't a concern. For distance where time is not a concern, the diameter of the axle should be as small as possible (and the wheels as large as possible), so the same length of line wound around the axle causes the wheels to turn a greater number of times.

For most mousetrap car designs, the length of the axle isn't a concern. For distance where time is not a concern, the diameter of the axle should be as small as possible (and the wheels as large as possible), so the same length of line wound around the axle causes the wheels to turn a greater number of times.

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