Work - When a force acts upon an object and displaces it from its original position, it is said that work was done upon the object. There associates three key component to work - force, displacement, and reason or source.
Monday, December 4, 2017
Motion
Scalars - Scalars are quantities that are fully described by a magnitude (or numerical value) alone.
Examples of Scalar Quantities - mass, length, temperature, energy, pressure, volume, electric charge, space-time interval, invariant mass
Vectors - Vectors are quantities that are fully described by both a magnitude and a direction.
Examples of Scalar Quantities - mass, length, temperature, energy, pressure, volume, electric charge, space-time interval, invariant mass
Vectors - Vectors are quantities that are fully described by both a magnitude and a direction.
Name and Symbols of Different Physical Terms, Descriptions and SI Units
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Base quantity
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Symbol
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Description
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SI unit
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Length
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l
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The one dimensional extent of an object.
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metre (m)
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Matter
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m
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The amount of matter in an object.
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