# What Is Magnitude in Physics?

Magnitude is the total size of an effect. Scalar measurements, such as speed, are statistics that are measured by magnitude. This is in contrast to vector measurements, such as velocity, which are concerned with direction on top of magnitude. An object may have a speed of 10 meters per second but a velocity that is lower.
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Q&A Related to "What Is Magnitude in Physics?"
 A magnitude in physics usually refers to the sum of forces in the x, y and z direction. To get the magnitude do the following. sqrt(x^2 + y^2 + z^2) and there's your magnitude. http://answers.ask.com/Science/Other/what_is_magni...
 It usually means the absolute "size" of a quantity, ignoring other details like sign and direction. For example, an object moving in the negative x-direction might have http://www.quora.com/Physics/What-is-the-definitio...
 1. Draw the vectors on the sheet of paper. For the purposes of this article, say there is an airplane traveling east at 80 km/h. A crosswind blows northerly into the plane at 40 km/ http://www.ehow.com/how_6209165_calculate-magnitud...
 In Physics 'language'... Magnitude = http://wiki.answers.com/Q/What_is_physics_magnitud...
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