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An electric motor in a crane while lifting a load produces a tension of 4000N in the cable attached to the load. If the motor is winding the cable at the rate of 3m/s,the power of motor expressed in KW is

An electric motor in a crane while lifting a load produces a tension of 4000N in the cable attached to the load. If the motor is winding the cable at the rate of 3m/s,the power of motor expressed in KW is

Grade:11

1 Answers

Nimish
14 Points
6 years ago
Power= Force× VelocityPutting the values on the desired locationPower= 4000×3Nm/sPower= 12000w or 12kw

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