A gear set has a pinion with 20 teeth and a gear with 40 teeth. The pinion runs at 30 rev/s and transmits a power of 20 kW. The teeth are on the 20° full-depth system and have a module of 5 mm. The length of the line of action is 19 mm. The resultant force on the contacting gear tooth in N is
a. 77.23
b. 212.20
c. 2259.1
d. 289.43