Introduction to Statics and Dynamics Part 2

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Introduction to Statics and Dynamics Part 2

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Vector notation and vector addition Graphical: a scalar multiplies an arrow. Indicate a vector’s direction by drawing an arrow with direction indicated by marked angles or slopes. The scalar multiple with a nearby scalar symbol, say F, as shown in figure 2.8b. This means F times a unit vector in the direction of the arrow. (Because F might be negative, sign confusion is common amongst beginners. Please see sample 2.1.) Combined: graphical representation used to define a symbolic vector. The full symbolic notation can be used in a picture with the graphical information as a way of defining the symbol....

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