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 perpendicular through a point off the line Student activity Play

A perpendicular through a point off the line ws Play

A perpendicular through a point on the line ws Play

A perpendicular through a point on the line Student activity Play

Addition of forces Class activity Play

Addition of forces Class activity Play

Addition of forces Whiteboard presentation Play

Angle bisector Student activity Play

Angle bisector Animation Play

Billiard ball collisions and the velocity vectors Student activity Play

Blot and symmetry Animation Play

Cartesian equation of the locus of points equidistant from two points Animation Play

Chord bisector goes through the centre Animation Play

Chord bisector goes through the centre Student activity Play

Circle circumscribed about a quadrilateral Animation Play

Circle circumscribed about a triangle Animation Play

Circle inscribed into a parallelogram ws Play

Circle inscribed into a quadrilateral Student activity Play

Circle inscribed into a triangle Student activity Play