The Coefficients of Static and Kinetic Friction Between a 3

question 142

Multiple Choice

The coefficients of static and kinetic friction between a 3.0-kg box and a horizontal desktop are 0.40 and 0.30, respectively. What is the force of friction on the box when a 15-N horizontal push is
Applied to the box?

• A) 15 N
• B) 8.8 N
• C) 12 N
• D) 4.5 N
• E) 6.0 N

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