Wheels and Cranks

by David Glover

Published 13 November 1996
Introduces the principles of wheels and cranks as simple machines, using examples from everyday life.

Ramps and Wedges

by David Glover

Published 13 November 1996
Uses a variety of examples, from scissors and axes to zippers and hairpin turns, to demonstrate the power of the inclined plane and show how ramps and wedges make work and play easier.

Screws

by David Glover

Published 13 November 1996
Introduces the principles of screws as simple machines, using examples from everyday life.

Springs

by David Glover

Published 13 November 1996
Introduces the principles of springs as simple machines, using examples from everyday life.

Pulleys and Gears

by David Glover

Published 13 November 1996
Introduces the principles of pulleys and gears as simple machines, using examples from everyday life.