Forces in Two Dimensions

The rate of change of velocity.

The gravitational force acting on an object.

The steepest stable angle at which loose material can remain without sliding.

The support force experienced by an object, usually the normal force.

A system of two masses connected by a string passing over a pulley.

A value describing the frictional interaction between two surfaces.

One part of a vector acting in a particular direction.

Objects whose motions are linked by a string, rope, cable, or other connection.

The orientation in which a vector acts.

The unbalanced external force causing a system to accelerate.