Determine which the following statements are correct:
During uniform rotation, the speed of a body changes with time.
The frequency of rotation is higher at higher values of period.
The tangential speed is proportional to the radius of rotation.
The frequency of rotation of an object at the equator is greater than the frequency of rotation of an object closer to the pole.
The minute hand on the clock rotates with a one-hour period.
If the frequency is zero, it means that the rotating body is at rest.
A turntable rotates at a speed of 45 revolutions per minute. The speed at which the gramophone needle slides across the record is constant during music playback.
The resultant of the forces acting on a body during uniform rotation is the centripetal force.
The centripetal force acts perpendicular to the direction of velocity of the rotating body.
