Is there work done by placing a book on your head and walking 3 m to your right?
a. None, because 3 m is not enough for a displacement.
b. Yes, because you have exerted enough force to move the book to a distance.
C. None, because the force applied is perpendicular to the displacement of the book.
d. Yes, because there is force applied perpendicular to the displacement of the book.
Answers & Comments
Answer:
B or c po
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