The study of forces and the resulting motion of objects through the air.

The amount of matter in an object.

Frictional resistance due to motion through air. Depends on speed and surface area.

Flows in parallel lines in a smooth progression.

The frame and wheels of a vehicle.

To push with force.

Rate of change of velocity or speed.

The resistance that one surface or object encounters when moving over another.

The shaft on which the wheels revolve.