# How do you make a rubber band powered car?

## How do you make a rubber band powered car?

Take a rubber band and loop it through the lollipop stick near the front axle. Hook the other end of the rubber band around the skewer tip attached to the back axle. To wind up your car, carefully turn the large wheels of the car so that the rubber band winds around the back axle. Let go and watch your car spin off!

### What is a rubber band Racer car?

In our car the rubber band stores potential energy by being wound around the axle. Releasing the axle allows the rubber band to quickly unwind, spinning the axle. The potential energy is converted into kinetic energy, and the car is propelled forward.

What energy does rubber band car use?

Once the rubber band is released, the polymer chains in the rubber band want to return to their natural, wrinkled state. This releases the rubber band’s potential energy, converting it into the kinetic energy that powers your car. Kinetic energy is the energy of motion; any moving object is using kinetic energy.

How do you make a balloon powered car go far?

Reducing weight, minimizing drag, cutting friction and improving nozzle air flow will all help make your balloon car go faster.

1. Reduce Weight. Examine your car carefully for any opportunity to shed as much weight as possible.
2. Minimize Drag.
3. Cut the Friction.
4. Improve the Nozzle.

## How do you make a fast mousetrap car?

If you haven’t realized it yet, increasing the length of the lever arm attached to the mousetrap, increases the total mechanical advantage of the car. Therefore, to increase your car’s speed, you can reduce the length of the lever arm attached to the mousetrap.

### Why is my balloon powered car not moving?

Make sure the straw at the back is as parallel to the floor or tabletop as possible. If it points up, down, or to the side, your car won’t move as fast or far as if the jet points straight back. Blow up the balloon by blowing through the straw. Put your finger over the end of the straw to stop air from escaping.