A 400-Kg Box Is Being Pushed Along a Horizontal, Smooth Surface

Multiple Choice

A 40.0-kg box is being pushed along a horizontal, smooth surface. The pushing force is 15.0 N directed at an angle of 15.0° below the horizontal. What is the acceleration of the crate?

A) 0.158 m/s²
B) 0.362 m/s²
C) 0.466 m/s²
D) 0.375 m/s²
E) 0.684 m/s²