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Answer:
PULLEY, a chain, belt or rope wrapped around a wheel.
WHEEL AND AXLE a wheel attached to a bar so that they rotate together. (The function of a pulley is to lift heavy objects by changing the direction of the force on a flexible cable)
LEVER, a straight bar that pivots on or around a fulcrum(A lever is a simple machine that allows you to gain a mechanical advantage in moving an object or in applying a force to an object. )
screw, an inclined plane wrapped around a cylinder(A SCREW is a mechanism that converts rotational motion to linear motion, and a torque (rotational force) to a linear force. )
WEDGE , an object that is thick at one edhe tappered to a thin edge at the other(device that tapers to a thin edge, usually made of metal or wood, and used for splitting, lifting, or tightening, as to secure a hammer head onto its handle. )
INCLINED PLANE a flat surface with one end higher than an objects (used for raising heavy bodies.)