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Chapter 1 Units and Vectors: Tools for Physics

Chapter 1 Units and Vectors: Tools for The Important The SI SystemPhysics is based on measurement. Measurements are made by comparisons to well definedstandardswhich define theunitsfor our system(popularly known as themetric system) is the one used in Physics . Itsunit of length is the meter, its unit of time is the second and its unit of mass is the quantities in Physics are derived from these. For example the unit of energy is thejoule, defined by 1 J = 1kg a convenience in using the SI system we can associate prefixes with the basic Units torepresent powers of 10.

Chapter 1 Units and Vectors: Tools for Physics 1.1 The Important Stuff 1.1.1 The SI System Physics is based on measurement. Measurements are made by comparisons to well–defined standards which define the units for our measurements. The SI system (popularly known as the metric system) is the one used in physics. Its

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