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The two major categories of simple machines are

1) Lever Family

a) Lever

b) Pulley and

c) Wheel and axle

2) Incline Plane Family

a) Incline plane

b) Screw and

c) Wedge

This two are the major groups pf simple machines, for more detail you may write me on psiwakoti1@gmail.com

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Kathryn Lebsack

Lvl 10
3y ago

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