A machine that moves things apart. , Pulley , Wedge, Lever, A rod that goes through a wheel to let the wheel turn., Lever, Ramp, Wheel and Axle , A rope pulled through a grooved wheel that can lift an object. , Wheel and Axle , Pulley, Inclined plane , A flat surface on a slant , Inclined plane, Wedge , Knife , When force on one end makes an object on the other end move up and down. , Pulley, Lever , Ramp, An inclined plane wrapped around a cylinder , Screw , Ramp, Seesaw.

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