Intro to Calculating Work Video Lessons

Concept

# Problem: An object moves along a floor with some coefficient of kinetic friction. Which of the following statements is true? a. The work done by friction is positive, and doesn’t depend upon the path taken b. The work done by friction is positive, and does depend upon the path taken c. The work done by friction is negative, and doesn’t depend upon the path taken d. The work done by friction is negative, and does depend upon the path taken

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###### Problem Details

An object moves along a floor with some coefficient of kinetic friction. Which of the following statements is true?

a. The work done by friction is positive, and doesn’t depend upon the path taken

b. The work done by friction is positive, and does depend upon the path taken

c. The work done by friction is negative, and doesn’t depend upon the path taken

d. The work done by friction is negative, and does depend upon the path taken