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Motor is rotating complete assembly


New member
I am trying to study the motion of some components (A turbine, and a motor) using a motor (in motion study) and a belt/chain assembled with parts.
When i start the motion both my motor and turbine starts rotating fine but i only want my motor's rotor to rotate not the complete motor assembly.
My turbine is a part and motor is an assembly. When i study the motion of my motor assembly separately, it works fine(i.e. only rotor rotates, not the whole motor.)
I am attaching the relevant file. Please help.