Machines make our life easier.
Simple machines have been used since long ago.
Click on the links to learn more about them.
- What is a LEVER?
- What is a PULLEY?
- What is a WEDGE?
- What is an INCLINED PLANE?
- What is a SCREW?
- WHEEL and AXLE
You can watch them as many times as you like!!!
I like the videos and the the page is very good and interesting.
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