Welcome to the module Force and Work!

Things to note!
 
1. What force is, that the newton (N) is the unit of force. 
2. The effects of forces.  
3. Understand friction and the effect of lubrication. 
4. The relationship between the extension of a spring and applied force. 
5. That weight is the force of gravity and that it varies with location. 
6. The unit of work.