types of simple machines

The Lever a rigid bar that is free to turn about a fixed point called the fulcrum ,[object Object],[object Object],[object Object],[object Object]

1 st Class Lever ,[object Object],[object Object],[object Object]

1 st Class Lever ,[object Object],[object Object]

1 st Class Lever ,[object Object],[object Object],[object Object],[object Object]

2 nd Class Lever ,[object Object],[object Object],[object Object],[object Object]

2 nd Class Levers ,[object Object],[object Object],[object Object],[object Object]

3 rd Class Levers ,[object Object],[object Object]

3 rd Class Levers ,[object Object],[object Object],[object Object],[object Object]

The Pulley ,[object Object],[object Object],[object Object]

The Pulley a wheel that turns around an axle ,[object Object],[object Object]

The Fixed Pulley ,[object Object],[object Object],[object Object]

The Pulley ,[object Object],[object Object]

The Inclined Plane a sloping surface that does not move ,[object Object],[object Object]

The Inclined Plane ,[object Object]

The Screw an inclined plane wrapped around a central cylinder ,[object Object],[object Object],[object Object]

The Screw ,[object Object],[object Object],[object Object],[object Object]

The Wedge an inclined plane that tapers to a sharp edge ,[object Object],[object Object],[object Object]

The Wedge ,[object Object],[object Object]

The Wheel & Axle a wheel connected to a rigid pole ,[object Object],[object Object]

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