Question 1:
Consider the gear train shown in the illustration.
A gear with 10 teeth is fixed on shaft A.
Gears with 48 teeth and 12 teeth are fixed on shall B.
Gears with 60 teeth and 15 teeth are fixed on shaft C.
A gear with 72 teeth is mounted on shaft D.
Suppose that the motor is spinning shaft A at a speed of 1800 rpm. State all speeds in units of rpm.
a) What is the speed of shaft B?
b) What is the speed of shall C?
c) What is the speed of shaft D?