1) A machine that moves things apart.  a) Pulley b) Wedge c) Lever 2) A rod that goes through a wheel to let the wheel turn. a) Lever b) Ramp c) Wheel and Axle  3) A rope pulled through a grooved wheel that can lift an object. a) Wheel and Axle b) Pulley c) Inclined plane  4) A flat surface on a slant a) Inclined plane b) Wedge c) Knife 5) When force on one end makes an object on the other end move up and down. a) Pulley b) Lever c) Ramp 6) An inclined plane wrapped around a cylinder a) Screw b) Ramp c) Seesaw

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