Mouse Trap Physics

 
A car built for distance requires a ____________ lever arm.
A compressed spring of a mouse trap car is an example of ____________ energy.
What is the sleeve called that is used to give the axle a smooth surface to rub against.
What is the approximate speed of a mouse trap hammer?
Most cutting devices use the principle of:
The balance point of an object is called the center of ______________.
The distance form the turning axis to the point of contact is called the:
What force opposes motion and has a great effect on a mouse trap cars performance.
A twisting force.
Who invented the spring loaded mouse trap?