Examples : screw in a Sentence. 1 a : a simple machine of the inclined plane type consisting of a spirally grooved solid cylinder and a correspondingly grooved hollow cylinder into which it fits. A screw is one of heremonly used mechanical devices in the world. It is a machine that converts rotational motion into linear motion. Why is a Screw a Simple Machine ? A screw has a long and thin metal shaft with threads spiralling along it’s length. It also has a turning head with a groove where a screwdriver can be used to rotate the screw . Simple machines can be divided into six basic categories: levers, wheel and axle assemblies, pulleys, inclined planes, wedges and screws . A screw is actually a special case of an inclined plane in which something is moved from a higher position to a lower position or conversely, but in a series of circles, thereby conserving horizontal space.

n a simple machine of the inclined-plane type consisting of a spirally threaded cylindrical rod that engages with a similarly threaded hole. a simple machine for elevating objects; consists of plane surface that makes an acute angle with the horizontal. A screw herebination of simple machines—it is in essence an inclined plane wrapped around a central shaft, but the inclined plane (thread) herees to a sharp edge around the outside, which acts a wedge as it pushes into the fastened material, and the shaft and helix also form a … Simple machine definition is - any of various elementary mechanisms formerly considered as the elements of which all machines hereposed and including the lever, the wheel and axle, the pulley, the inclined plane, the wedge, and the screw . How to use simple machine in a sentence.

Simple Machines . The lever is made up of a straight rigid object like a board or a bar which pivots on a turning point called a fulcrum. Levers make work easier by using leverage which multiplies the force. When you use a lever, you move a smaller force a longer distance in order to lift a load a short distance.