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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]
The right of conquest was historically a right of ownership to land after immediate possession via force of arms. It was recognized as a principle of international law that gradually deteriorated in significance until its proscription in the aftermath of World War II following the concept of crimes against peace introduced in the Nuremberg Principles.
Conquest is the act of military subjugation of an enemy by force of arms. [ 1 ] [ 2 ] Military history provides many examples of conquest: the Roman conquest of Britain , the Mauryan conquest of Afghanistan and of vast areas of the Indian subcontinent , the Spanish conquest of the Aztec Empire and various Muslim conquests , to mention just a few.
A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum. A lever is a rigid body capable of rotating on a point on itself. On the basis of the locations of fulcrum, load, and effort, the lever is divided into three types. It is one of the six simple machines identified by
The simple machine called a wheel and axle refers to the assembly formed by two disks, or cylinders, of different diameters mounted so they rotate together around the same axis. The thin rod which needs to be turned is called the axle and the wider object fixed to the axle, on which we apply force is called the wheel.
This definition is not binding as such under international law, though it may reflect customary international law. [citation needed] This definition makes a distinction between aggression (which "gives rise to international responsibility") and war of aggression (which is "a crime against international peace"). Acts of aggression are defined as ...
Conquest, one of the Four Horsemen of the Apocalypse in some interpretations of the book of Revelation CONQUEST , a linear scaling, or O(N), density functional theory electronic structure code ConQuesT , a science fiction convention in Kansas City, Missouri