The Coefficients of Static and Kinetic Friction Between a 3

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