A 55-Kg Box Rests on a Horizontal Surface

Multiple Choice

A 55-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.30. A horizontal 140-N force is applied to the box. What is the friction force on the box?

A) 140 N
B) 16.5 N
C) 160 N
D) 42 N
E) 0.00 N