Force - Any influence that causes an object to undergo a certain change

Acceleration - Rate of change of velocity

Velocity - Speed in a given direction

Impulse - Product of an applied force and the time over which that force is applied

Torque - A type of force that creates a twisting or rotation

Center of Mass - Point in body's distribution of mass where all mass is concentrated

Momentum - Quantity of motion an object has (mass*velocity)

Collision - An encounter between particles resulting an an exchange or transformation of energy

Inertia - The resistance an object of mass has to not change velocity or direction

Conservation of Momentum - The principle that linear or angular momentum in a closed system is constant, as long as no outside force is applied.