this is nothing, but this direction is along the direction of the fibre rope or direction of the suspension that is why this coil rotate about this axis of suspension ok, which is passing through the centre of the coil as well as it is on the plane of this coil ok, this axis is on the plane of the coil not perpendicular of the coil passing through the centre, it is passing through the centre, but it is on the plane of the coil.
ही फायबर दोरी ची किंवा suspension ची दिशा आहे . म्हणूनच coil suspension अक्षभोवती फिरेल. हा अक्ष coil च्या मध्यभागातून जातो आणि coil च्या plane वर आहे. हा अक्ष coil च्या मध्यभागातून जातो परंतु तो लंब नाही तर coil च्या plane वर आहे.