Pulleys/Levers/Inclined Planes
Teachers Note:
The following videos use some terms which are more commonly used in the USA. For example, pounds are used instead of Newtons and Fulcrum is used in place of Pivot. These variations should be pointed out to pupils when these videos are used in the UK.
Intro to Levers
The following video provides an overview of levers and demonstrates how they can be used to lift heavy objects.
Click on the play button below to view the video.
Pulleys
Pulleys are also used to make lifting heavy weights easy.
Click on the play button below to view the video.
or
http://www.youtube.com/watch?v=9T7tGosXM58
Inclined Plane
Click on the play button below to view the video.
Wheels and Axles
Click on the play button below to view the video.
Working together