Introduction-L-Jan10-Ave

# Introduction-L-Jan10 - Introduction Introduction Measurement Physical Modeling Numerical measurement is made relative to some standard or unit

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PHYS 1L03, Winter 2010, McMaster University, R.Nejat Introduction Physical Modeling Concepts: -Why study Physics? -Measurement -Significant Figure -Uncertainty -Order of magnitude -Estimation PHYS 1L03, Winter 2010, McMaster University, R.Nejat • Measurement – Numerical measurement is made relative to some standard , or unit – To make a numerical measurement: •Establish a standard (unit) •Compare the quantity to be measured with the proper standard. Introduction PHYS 1L03, Winter 2010, McMaster University, R.Nejat •Un i ts – Fundamental (base) units • The units in which fundamental physical quantities are measured –Some fundamental physical quantities • Length, mass, time and charge Introduction PHYS 1L03, Winter 2010, McMaster University, R.Nejat • SI (system International) units – Length: meter (m) – Mass: kilogram (kg) – Time: second (s) – Charge: coulomb (C) Introduction • SI Prefixes Prefix Abbreviation

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## This note was uploaded on 10/02/2011 for the course PHYSICS 1L03 taught by Professor Dudley during the Spring '08 term at McMaster University.

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Introduction-L-Jan10 - Introduction Introduction Measurement Physical Modeling Numerical measurement is made relative to some standard or unit

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