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In mathematics and physics a vector is an element of a vector space.
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Vector definition physics. There are two common definitions of wave vector which differ by a factor of 2p in their magnitudes. Visually you see vectors drawn as arrows which is perfect because an arrow has. A vector is commonly represented by a line segment in a specific direction indicated by an arrow. These are different quantities.
On the other hand a vector quantity is fully described by a magnitude and a direction. A scalar quantity is a measurable quantity that is fully described by a magnitude or amount. Quantities that have only a magnitude are called scalars. Historically vectors were introduced in geometry and physics typically in mechanics before the formalization of the concept of vector spacetherefore one talks often of vectors without specifying the vector space to which.
Vectors are quantities that are fully described by magnitude and direction. This equation was in a very recent introductory physics text. Its direction and its magnitude. One definition is preferred in physics and related fields while the other definition is preferred in crystallography and related fields.
All measurable quantities in physics can fall into one of two broad categories scalar quantities and vector quantities. Vectors are important because in physics it is often useful to know not just the magnitude of things but also the direction that those things are travelling as well. What is a vector. For many specific vector spaces the vectors have received specific names which are listed below.
Although a vector has magnitude and direction it does not have position. Look it up now. In physics when you have a vector you have to keep in mind two quantities. If you give a scalar magnitude a direction you create a vector.
Using the counter clockwise from east convention a vector is described by the angle of rotation that it makes in the counter clockwise direction relative to due east. You can not set a vector quantity equal to a scalar quantity. It is typically represented by an arrow whose direction is the same as that of the quantity and whose length is proportional to the quantitys magnitude. Vector definition in math and physics in physical science and engineering a vector is a geometric object which has both magnitude or length and direction.
You just cant do it. It can also be described as being east or west or north or south. The direction of a vector can be described as being up or down or right or left.