Question

A frictionless pulley with zero mass is attached to the ceiling, in a gravity field of 9.81 m/s2. Mass M2 = 0.15 kg is being accelerated downward at 1.5 m/s2.

Calculate the mass M1.
bobpursley
exactly how are the masses affixed to the pulley?
lia
with massless strings
bobpursley
is mass1 and mass2 on opposite sides of the pulley?