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Revolutions per minute (RPM) is a unit of rotational speed that indicates the number of complete rotations an object makes around a fixed axis in one minute. It is commonly used to measure the speed of engines, motors, and other rotating machinery. For example, if a motor is said to run at 3,000 RPM, it means that the motor completes 3,000 full rotations in one minute.

Ancestors (6)

  1. Units of frequency
  2. Units of measurement
  3. Quantity
  4. Mathematical concepts
  5. Mathematics
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