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This review covers the definition of work, examples of dot products, and methods for calculating a dot product between vectors. It includes explanations on integration, both indefinite and definite, with practical examples demonstrated. Explore the concepts of work, force, and distance with clear illustrations and calculations.
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Review of Dot Products Review of Integration Definition of Work Examples of Work
A B How to calculate a dot product A dot product is the multiplication of two vectors to form a scalar. There are two ways to calculate the dot product. where θ is the angle between A and B Component of A along B θ
4m 10m Examples of Dot Products 110o
dr F Definition of Work Work is defined as the amount of force acting over a distance. The unit of work is either Joules (J) or electron-volts (eV)
y Δw Δh1 x Δh2 Example of Work The following is an example of the work done by gravity on a mass. m
F (N) 1 A1 0 X (m) -1 A2 1 2 0 Example of Work This is an example using the the fact that integrals are areas under a curve.
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