Fulcrum is in the centre - Class 1 Lever, Class 2 Lever, Class 3 Lever, six kinds of simple machines - There are , class 1 levers - Pliers are examples of, has the fulcrum in the centre - Beam balance , an example of class 3 lever, Simple machines - Pulley, Inclined plane and Screw are all examples of, is an example of class 3 lever, is an example of class 1 lever,

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