If an object moves in a purely rotatory motion, then each constituent particle of the body moves in a circle, the centre of which is located on a line isÂ called _______.

If an object moves in a purely rotatory motion, then each constituent

1.	If an object moves in a purely rotatory motion, then each constituent particle of the body moves in a circle, the centre of which is located on a line isÂ called _______.
A.	the axis of rotation
B.	the line of rotation
C.	the spinning rod
D.	the fixed line
Answer» B. the line of rotation