A box of weight 74 N is sliding on a horizontal surface at a constant velocity due to an external force of magnitude 4.8 N. A normal force (n) and a friction force (f) also act on the box. After the m

A box of weight 74 N is sliding on a horizontal surface at a constant velocity due to an external force of magnitude 4.8 N. A normal force (n) and a friction force (f) also act on the box. After the magnitude of is increased to 6.2 N, what is the acceleration of the box?