A body on an inclined plane Student activity Play

A circle and a line Animation Play

A figure surrounded by straight lines Student activity Play

A figure surrounded by straight lines Whiteboard exercise Play

A force perpendicular to the velocity vector Whiteboard exercise Play

A force perpendicular to the velocity vector Student activity Play

A horseshoe magnet Animation Play

A perpendicular through a point off the line Simulation Play

A perpendicular through a point off the line Student activity Play

A perpendicular through a point on the line Simulation Play

A perpendicular through a point on the line Student activity Play

About moment Student activity Play

Addition of forces Class activity Play

Addition of forces Whiteboard presentation Play

Addition of forces Class activity Play

An application of vector equations of lines in 3-D Student activity Play

An application of vector equations of lines in 3-D Whiteboard exercise Play

Angles and parallel lines Whiteboard exercise Play

Angles between lines in 3-D objects Student activity Play

Angles between lines in 3-D objects Whiteboard exercise Play

Arbitrary shapes bounded by straight lines Student activity Play

Arbitrary shapes bounded by straight lines Whiteboard exercise Play

Arms of the angle and parallel lines Student activity Play

Arms of the angle and parallel lines Whiteboard exercise Play

Billiard ball collisions and the velocity vectors Student activity Play