31. Three objects are connected on a table as shown in Fig. QIC
ure P5.31. The coefficient of kinetic friction between the
block of mass m, and the table is 0.350. The objects have
masses of m, = 4.00 kg, m, = 1.00 kg, and m2 = 2.00 kg, and
the pulleys are frictionless. (a) Draw a free-body diagram of
each object. (b) Determine the acceleration of each object,
including its direction. (c) Determine the tensions in the two
cords. What If? (d) If the tabletop were smooth, would the
tensions increase, decrease, or remain the same? Explain.
ma
mi
m3