Module 1: Basic Concepts - Systems of Units - Answers
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#1
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In the American Engineering System, how do you distinguish between a mass of 100 pounds and a weight (i.e. a force) of 100 pounds?
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Answer: To designate mass, use the term "pound mass" abbreviated as lbm.
- To designate force (or weight), use the term "pound force" abbreviated as lbf.
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