Q. 21 Gear 2 rotates at 1200 rpm in counter clockwise direction and engages with Gear
3. Gear 3 and Gear 4 are mounted on the same shaft. Gear 5 engages with Gear
4. The numbers of teeth on Gears 2, 3, 4 and 5 are 20, 40, 15 and 30, respectively.
The angular speed of Gear 5 is
(A) 300 rpm counterclockwise
(B) 300 rpm clockwise
(C) 4800 rpm counterclockwise
(D) 4800 rpm clockwise
Answer: (A)
Explanation:
