An epicyclic gear train has 3 shafts A, B, and C. A is an input shaft running at 100 rpm clockwise. B is an output shaft running at 250 rpm clockwise. Torque on A is 50 kNm (clockwise). C is the fixed shaft. The torque at fixed shaft C is -
1
30 kNm (clockwise)
2
30 kNm (Anti-clockwise)
3
20 kNm (Anti-clockwise)
4
20 kNm (clockwise)