FIGURE 6-12 -Two Masses Are Connected by a String Which Goes Over

Multiple Choice

FIGURE 6-12
-Two masses are connected by a string which goes over an ideal pulley as shown in Figure 6-12. Block A has a mass of 3.00 kg and can slide along a smooth plane inclined 30.0° to the horizontal. Block B has a mass of 2.00 kg. What is the acceleration of mass B?

A) 0.981 m/s² downward
B) 0.981 m/s²

upward
C) 1.86 m/s² downward
D) 1.86 m/s² upward
E) 0 m/s²