Work

Class practical: A series of simple experiments to develop the idea of doing useful work.

Practical Activity 14-16

Work is done whenever a force moves something over a distance. You can calculate the energy transferred, or work done, by...

Teaching Guidance 14-16

In this episode, students have to learn to think of force as a mechanism by which energy is transferred from one body to...

Lesson 16-19

Many levers work as force-multipliers. In this case a small force (or effort) acting on the lever moves a large distance to...

Teaching Guidance 11-14

A force is said to do work when there is a displacement of the point of application of the force in the direction of the force...

Glossary Definition 16-19