Part A Compute the torque developed by an industrial motor whose output is 175 k
ID: 2261168 • Letter: P
Question
Part A Compute the torque developed by an industrial motor whose output is 175kW at an angular speed of 4000rev/min . ? = N?m Part B A drum with negligible mass and 0.600m in diameter is attached to the motor shaft, and the power output of the motor is used to raise a weight hanging from a rope wrapped around the drum. How heavy a weight can the motor lift at constant speed? w = N Part C At what constant speed will the weight rise? Part A Compute the torque developed by an industrial motor whose output is 175kW at an angular speed of 4000rev/min . ? = N?m Part A Compute the torque developed by an industrial motor whose output is 175kW at an angular speed of 4000rev/min . ? = N?m ? = N?m ? = N?m Part B A drum with negligible mass and 0.600m in diameter is attached to the motor shaft, and the power output of the motor is used to raise a weight hanging from a rope wrapped around the drum. How heavy a weight can the motor lift at constant speed? w = N Part B A drum with negligible mass and 0.600m in diameter is attached to the motor shaft, and the power output of the motor is used to raise a weight hanging from a rope wrapped around the drum. How heavy a weight can the motor lift at constant speed? w = N w = N w = N Part C At what constant speed will the weight rise? Part C At what constant speed will the weight rise? ? = N?mExplanation / Answer
A) Power=Tourque x speed,125000=Tourque x 2Pi(4000/60)===>
Tourque=125000/(2Pi66.67)=
=298.41newton-meter
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B) W=298.41/(D/2)=298.41/0.15=1989.43newton...
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C) 2Pi(0.15)(4000/60)=62m/sec
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