___ is a motion of a rigid body where a certain straight line (the axis of rotation) of the body or its rigid extension remains motionless.

___ is a motion of a rigid body where a certain straight line (the axis of rotation) of the body or its rigid extension remains motionless.

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___ is a motion of a rigid body where a certain straight line (the axis of rotation) of the body or its rigid extension remains motionless.



a. velocity
b. acceleration
c. displacement
d. translation
e. rotation


Answer: e. rotation


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