Design 2 (Rubber Band Car)- Pros and Cons

Rubber Band Car- Pros and Cons

Pros:

• Styrofoam is lightweight.
• Rubber band has a lot of potential energy
• The nails are sturdy so the vehicle will stay in place.
• The ridges in the bottle caps will create friction.

Cons:

• The ridges could cause the vehicle to not move in a straight line.
• The Styrofoam can easily brake.
• The rubber band could snap which was the main force behind the car.