FAQ

What is the RPM?
RPM is speed in Rotation per Minute. RPM is usually measured using the Radian per Second for Angular Velocity. Note that the value of RPM is always positive.
Can the RPM be negative?
No, the RPM, measured in Angular Velocity cannot be negative.
What unit is used to measure RPM?
RPM is usually measured using the Radian per Second[rad/s] for Angular Velocity. Radian per Day[rad/s], Radian per Hour[rad/s], Radian per Minute[rad/s] are the few other units in which RPM can be measured.
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