FIGURE 10-2 -Figure 10-2 Illustrates a Simplified Roller Bearing. the Outer Hollow

Multiple Choice

FIGURE 10-2
-Figure 10-2 illustrates a simplified roller bearing. The outer hollow cylinder has a radius of 1.20 cm and is stationary. The inner cylinder has a radius of 1.00 cm and is rotating at 12.0 rpm. Between the two cylinders are several small cylinders with a radius of 0.100 cm, which roll without slipping on both the inner and outer cylinders. Only one of these cylinders is shown in the figure. How long does it take a small cylinder to complete a full revolution around the inner cylinder?

A) 6.00 s
B) 11.0 s
C) 5.64 s
D) 0.542 s
E) 1.38 s