Answer to Question #289881 in Physics for Brodie

Question

Problem 3:   Consider the definition of the work done by a force.

In which of the following situations is the term “work” being used in the context of the physics definition of work?

 Finally, after a lengthy repair, Devon’s car works.   A car skids to a stop, and the frictional force does work.   Jose works furiously to finish his term paper on time.   Marie works out at the gym.   Work was progressing smoothly at the construction site.   In order to lift a box, John has to perform positive work on the box.   As a rock falls to the ground, the gravitational force does work on the rock. 

Answer 1

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