Monday, February 14, 2011

simple machines

Simple machines is a tool used to make work easier.

        Inclined Plane-A inclined Plane can help you move objects across distances.
        Wedge-A wedge can push things apart.
        Screw-A screw can help you move a piece of metal through a wooden space.
        Lever-A lever can pries a nail loose.
        Wheel and Axe-Wheel and Axe can move objects across distances.
        Pulley-A pulley can use the wheel's rotation to raise and lower objects.

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