Which of the statements below is true when you catch a baseball that comes at you horizontally? a.The work that you do is positive. b.The work that you do is negative. c.Work is not a vector and cannot be referred to as positive or negative. d.Work is a scalar product expressed in terms of magnitudes, so it is never negative. e.Work is expressed in terms of kinetic energy, which must be positive.

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Answered: d in terms of magnitudes, so it is…

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d in terms of magnitudes, so it is never negative.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 13CQ: Suppose you are reshelving books in a library. As you lift a book from the floor and place it on the...

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Question

Which of the statements below is true when you catch a baseball that comes at you horizontally?

	a.	The work that you do is positive.
	b.	The work that you do is negative.
	c.	Work is not a vector and cannot be referred to as positive or negative.
	d.	Work is a scalar product expressed in terms of magnitudes, so it is never negative.
	e.	Work is expressed in terms of kinetic energy, which must be positive.

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