The discussion focuses on calculating the rotational frequency and diameter of a drive pulley driven by a belt moving at 33 m/s and rotating at 750 r/min. The rotational frequency is determined to be 12.5 r/s, calculated by converting revolutions per minute to revolutions per second. The diameter of the drive pulley can be calculated using the relationship between linear speed, rotational speed, and diameter, resulting in a diameter of approximately 0.84 meters.
PREREQUISITESMechanical engineers, physics students, and anyone involved in designing or analyzing pulley systems and rotational mechanics.
mikeystrike said:a belt is driven by a pulley at 33m/s the pulley rotates at 750 r/min. calculate:
(a) the rotational frequency in r/s
(b) the diameter of the drive pulley