Forces Glossary

Distance from the centre of a circle to the moving object.

Motion away from a collision in the opposite direction to the object's initial motion.

Motion in one direction resulting from momentum being carried in the opposite direction.

The coordinate system relative to which motion is measured.

Opposing motion or an applied force.

Separating a force into perpendicular components.

A force that acts toward an object's equilibrium position.

The single force that has the same overall effect as several combined forces.

One complete trip around a circular path.