EXAMPLE A BOX IS ON A RAMP. IF THE COEFFICIENT OF FRICTION BETWEEN THE BOX AND THE RAMP IS 0.30, AT WHAT RATE DOES THE BOX ACCELERATE? 1 DRAW A FREE- BODY DIAGRAM. 2 RESOLVE ALL M=O.30 FORCES INTO 30 PARALLEL AND PERPENDICULAR COMPONENTS. 3 SOLVE FOR FN BY BALANCING FORCES PERPENDICULAR TO MOTION. WRITE DOWN NEWTON'S SECOND LAW (FNET = ma)