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[1] [2] [3] The inclined plane is one of the six classical simple machines defined by Renaissance scientists. Inclined planes are used to move heavy loads over vertical obstacles. Examples vary from a ramp used to load goods into a truck, to a person walking up a pedestrian ramp, to an automobile or railroad train climbing a grade. [3]
A simple machine is a mechanical device that changes the direction or magnitude of a force. [1] In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leverage) to multiply force. [2] Usually the term refers to the six classical simple machines that were defined by Renaissance scientists: [3] [4 ...
The hand axe is the first example of a wedge, the oldest of the six classic simple machines, from which most machines are based. The second oldest simple machine was the inclined plane (ramp), [6] which has been used since prehistoric times to move heavy objects. [7] [8] The other four simple machines were invented in the ancient Near East. [9]
A spiral slide is a playground slide that is wrapped around a central pole to form a descending spiral forming a simple helter skelter. A wavy slide is a slide that has waves in its shape, causing the person sliding to go up and down slightly while descending. A tube slide is simply a slide in the form of a tube. It can also curve or have bumps.
The screw, the last of the simple machines to be invented, [9] first appeared in Mesopotamia during the Neo-Assyrian period (911-609) BC. [7] The Egyptian pyramids were built using three of the six simple machines, the inclined plane, the wedge, and the lever, to create structures like the Great Pyramid of Giza. [10]
Simple machine – There are only 3 fundamental machines, with 4 variations, for a total of 7 simple machines Lever; Inclined Plane. Screw – combination of a wheel and an inclined plane; Wedge; Wheel. Pulley; Gear – combination of a wheel and a lever; Vehicles. Man powered vehicles Bicycle; Pedalo; Powered vehicles Car; Train; Airplane ...
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A wedge is a triangular shaped tool, a portable inclined plane, and one of the six simple machines. It can be used to separate two objects or portions of an object, lift up an object, or hold an object in place. It functions by converting a force applied to its blunt end into forces perpendicular to its inclined