Question

Jake hangs two masses on strings over a pulley. Mass A (80g) and Mass B (80g) are hanging stationary. Mass B is causing an upwards pull force on Mass A. Jake then gives a slight push upwards on Mass B to start it moving and then watches to see what happens. Mass A continues downwards at a constant speed. Jake removes 20g from Mass B and rests the masses to hang equally. Jake gives a slight push upwards to Mass B to start is moving and watches to see what happens. Discuss what would happen to Mass A. In your answer you should include:
Describe the forces on Mass A
Explain the motion of Mass A