Question 43
Disks $A,B,C,D$ represent pulleys with diameters $8,4,6,2\,\mathrm{cm}$, respectively, joined by belts that move without slipping. When disk $A$ makes one complete clockwise revolution, what happens to disk $D$?

A) It makes 4 clockwise revolutions
B) It makes 3 clockwise revolutions
C) It makes 6 counterclockwise revolutions
D) It makes 4 counterclockwise revolutions
E) It makes 3 counterclockwise revolutions

A) It makes 4 clockwise revolutions
B) It makes 3 clockwise revolutions
C) It makes 6 counterclockwise revolutions
D) It makes 4 counterclockwise revolutions
E) It makes 3 counterclockwise revolutions