# How does a rubber band move a car?

## How does a rubber band move a car?

When you wind up the car’s axle you stretch the rubber band and store potential energy. When you release it the rubber band starts to unwind, and the potential energy is converted to kinetic energy as the car is propelled forward.

What makes a rubber band car go fast?

You’ve given the rubber band potential (stored) energy. When it unwinds, this potential energy is transformed into kinetic (motion) energy, and the axle spins. The more you wind the rubber band, the more energy is available for your car’s wheels—and the farther and faster your car goes.

### How does a rubber band propeller work?

When flown, the rubber band rapidly transforms its potential energy into kinetic energy for the propeller by unwinding, which turns both the propeller blade and the paper cutout. As the propeller spins rapidly, it begins to create lift by pushing air downward.

What energy is used with a rubber band car?

potential energy
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.

## What kind of energy is stored in the rubber band?

Elastic Potential Energy
Elastic Potential Energy A stretched rubber band has the potential to do work or change things. This form of energy is called elastic potential energy.

What is the science behind a rubber band powered car?

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.