A Frictionless Pulley of Negligible Mass Is Hung from the Ceiling

Multiple Choice

A frictionless pulley of negligible mass is hung from the ceiling using a rope,also of negligible mass.Two masses,m₁ and m₂ (m₁ < m₂) are connected to the rope over the pulley.The masses are free to drop.The magnitude of the tension T_top is ____ the sum of the tensions T₁ and T₂.

A) less than
B) equal to
C) greater than
D) unable to tell
E) depends on T_top