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Dimensions, Units - Introduction to Engineering - Lecture Slides

Slides, Engineering Economics

Post: May 7th, 2013
Description
The main points are:Dimensions, Units, Conversions, Dimensional Homogeneity, Si Unit Prefixes, Customary Units, Mass and Weight, Magnitude of Dimension, Fundamental and Derived Dimensions, History of Units, Dimensional Analysis
The main points are:Dimensions, Units, Conversions, Dimensional Homogeneity, Si Unit Prefixes, Customary Units, Mass and Weight, Magnitude of Dimension, Fundamental and Derived Dimensions, History of Units, Dimensional Analysis
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Dimensions, Units, and Conversions Introduction to Engineering Docsity.com Objectives • Explain the difference between dimensions and units. • Check for dimensional homogeneity. • Explain SI unit prefixes. • Convert between SI and U.S. Customary units. • Explain the difference between mass and weight. Assignment: Handout or visit website. Docsity.com Difference Between Dimensions and Units • Why are dimensions and units important? • Dimensions are used to describe objects and actions. The three most basic dimensions are length, time, and mass • Units are used to establish the size or magnitude of a dimension. Must be based on some convention with standards Docsity.com Difference Between Dimensions and Units • Dimensions are divided into fundamental and derived. Fundamental are the most basic or elementary dimensions necessary to describe the physical state of an object. Derived dimensions are defined based upon scientific and engineering equations, and are a c..

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