Velocity

Displacement over time. Vector quantity, includes direction and magnitude.

Speed

Magnitude of velocity.

Vector Quantity

A physical quantity that consists of both magnitude and direction.

Scalar Quantity

Physical quantity that consists of only magnitude.

Kinematics

Study of motion without regard for cause.

Dynamics

Study of motion with regard to cause.

Uniform Motion

Motion in a straight line with constant velocity.

Uniform Accelerated Motion

Motion in a straight line with constant acceleration.

Freefall

Vertical motion only under effects of gravity.

Projectile Motion

Motion of a partical that is given some intitial velocity under the effect of gravity.

Uniform Circular Motion

Circular motion with a constant speed.

Acceleration

Average Velocity DeltaV/DeltaT