Technician a Says When the Planet Carrier Is the Driving

Multiple Choice

Technician A says when the planet carrier is the driving member of the gear set and the sun gear is held, overdrive occurs. Technician B says if any two of the planetary gear set members receive torque in the same direction at the same speed, the third member is forced to turn with the other two and direct drive is the result. Who is correct?

A) A only
B) B only
C) Both A and B
D) Neither A nor B