Two mating spur gears have 40 and 120 teeth respectively. The pinion rotates at 1200 rpm and transmits a torque of 20 Nm. The torque transmitted by the gear is
A. 6.6 Nm
B. 20 Nm
C. 40 Nm
D. 60Nm
Answer:D
Two mating spur gears have 40 and 120 teeth respectively. The pinion rotates at 1200 rpm and transmits a torque of 20 Nm. The torque transmitted by the gear is
A. 6.6 Nm B. 20 Nm C. 40 Nm D. 60Nm