Force = mass (acceleration)
The key to keeping the mousetrap car accelerating is to keep the forces acting upon it unbalanced. The force of the mousetrap car has to be larger than the force of friction working against the car. Because the force provided by the mousetrap is rather minuscule, and the force needs to strong enough to move the mousetrap car, we are faced with our next obstacle. We have to make the mass of the object light enough to get the most acceleration possible out of the