TSA 2009 · Question 20 · Rates
SaveThe diagram shows three pulleys driven by belts. Pulley A and the small, inner pulley at B are 1 m across, the outer pulley at B is 2 m across and pulley C is 4 m across.
Pulley A rotates at a rate of 8 complete turns every second. How many complete turns every second will pulley C make?