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Multiple Choice: The work done by a friction force is: w) always positive x) always negative y) always zero z) either positive or negative depending upon the situation

Multiple Choice: The work done by a friction force is:

w) always positive
x) always negative
y) always zero
z) either positive or negative depending upon the situation

Grade:upto college level

1 Answers

Soumyadip
38 Points
9 years ago

either positive or negetive depending on the situation

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