Answer: a Diff: 3 Var: 1 Page Ref: Sec. 6-4

Multiple Choice

Answer: A
Diff: 3 Var: 1 Page Ref: Sec. 6-4
-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 rough plane inclined 30.0° to the horizontal. The coefficient of static friction between block A and the plane is 0.400. Block B has a mass of 2.77 kg. What is the tension in the string?

A) 22.0 N
B) 22.7 N
C) 26.1 N
D) 24.5 N
E) 27.3 N