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Measurement in Physics

Measurement in Physics. The Système International d’Unités (SI). Uses seven base quantities The base quantities are defined in terms of direct measurements. Derived units are created by combining the base units in various ways. SI Base Quantities and Units. Metric Prefixes.

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Measurement in Physics

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  1. Measurement in Physics

  2. The Système International d’Unités (SI) • Uses seven base quantities • The base quantities are defined in terms of direct measurements. • Derived units are created by combining the base units in various ways.

  3. SI Base Quantities and Units

  4. Metric Prefixes

  5. Dimensional Analysis • The method of treating the units as algebraic quantities, which can be cancelled. • Dimensional analysis is also used in choosing conversion factors (multiplier equal to 1) • Choose a conversion factor that will make the units cancel, leaving the answer in the correct units.

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