Question

If spur gear system has a driver gear with 100 teeth and rotates at a speed of 10 RPM and is meshed with a driven gear of 20 teeth, then the driven gear will rotate at a speed of:

A. 200 RPM
B. 100 RPM
C. 50 RPM
D. 20 RPM
E. none of the above​

Answer 1

100 teeth / 20 teeth = 5

5 x 10 rpm = 50 rpm

answer: 50 rpm