DRAW F.B.D

Two boxes connected by a string are accelerating at 1.6 m/s? across a horizontal floor as shown in the diagram. The tension in the string at point P is 20 N. Ignore the mass of the string. 4.0 kg a = 1.6 m/s? 6.0 kg p Draw a diagram showing the forces acting on the boxes and label the forces with appropriate symbols. Find the coefficient of kinetic friction between the boxes and the floor. Find the pulling force applied by the hand.