the best wheels for your mousetrap car are CD's because when your car takes off the wheels will spin and send your car into a foward rolling motion also the CD's are light soo it will help you win your science award:)
because the wheel make the mousetrap go forward but without the wheels the mousetrap stays in one place
you want to place your mousetrap as far away from the back wheels as possible
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the smaller the wheel the lesser the weight, the mousetrap car would go faster,
By transferring the spring energy to the drive wheels.
duct tape, mousetrap, wheels ( anything), pliers, end hooks, pop bottle ends,
in order for the mousetrap car to go straight, both of the wheels (and its axles) have to be parallel to each other. moreover, the axles must be perpendicular to the body of the mousetrap car. if front wheel is pointing towards left or right, the car will go left or right, respectively.
The more weight over the drive wheels, the more traction.
Lego wheels are the best...but we had a small selection to choose from, i would personally just strap the mice to the trap and hang food in front of them.
Use Cd's as wheels to make less friction
It is depended on the shape of the wheels to determine how much friction is applied.
in the center of the mousetrap car.