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As physics revision notes unit 1 mechanics and radioactivity units and dimensions 1. Units are standards for expressing and comparing the measurement of physical quantities. National 3 physics course support notes this document may be reproduced in whole or in part for educational purposes provided that no profit is derived from reproduction and that, if reproduced in part, the source is acknowledged. Certain physical quantities have been chosen as fundamental or base quantities. Choose from 140 different sets of chapter notes ch summary conceptual physics flashcards on quizlet. Zeropoint fields, gravitation and new physics a report by professor paul s. Current through a given area of a conductor is the net charge passing per unit time through the area. Please help improve this article by adding citations to reliable sources. A quantity is a physical property that can be measured.
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