Journal of Modern Physics

Volume 7, Issue 10 (June 2016)

ISSN Print: 2153-1196   ISSN Online: 2153-120X

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Time, Length, and Mass Are Derived Quantities

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DOI: 10.4236/jmp.2016.710108    6,060 Downloads   18,934 Views  Citations
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ABSTRACT

Fundamental units of measurements are kilograms, meters, and seconds—in regards to mass length, and time. All other measurements in mechanical quantities including kinetic quantities and dynamic quantities are called derived units. These derived units can be expressed in terms of fundamental units, such as acceleration, area, energy, force, power, velocity and volume. Derived quantities will be referred to as time, length, and mass. In order to explain that fundamental units are not equivalent with fundamental quantities, we need to understand the contraction of time and length in Special Relativity. If we choose the velocity of light as fundamental quantity and length and time as derived quantities, then we are able to construct three-dimensional space-time frames. Three-dimensional space-time frames representing time with polar coordination, time contraction and length contraction can be shown graphically.

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Chen, T. and Chen, Z. (2016) Time, Length, and Mass Are Derived Quantities. Journal of Modern Physics, 7, 1192-1199. doi: 10.4236/jmp.2016.710108.

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