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1. For each case below, indicate if the work done is positive, negative, or zero. a. Pushing a lawnmower. Work done by human is B.
1. For each case below, indicate if the work done is positive, negative, or zero. a. Pushing a lawnmower. Work done by human is B. Holding a briefcase at rest. C. Walking with a briefcase at constant speed
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Thermodynamics An Interactive Approach
Authors: Subrata Bhattacharjee
1st edition
130351172, 978-0130351173
