Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
AP EAMCET202022 Sep 2020Evening ShiftPhysicsWork, Power and EnergyActual

An electric motor exerts a force of 50 ~N on a a cable and pulls it through 60 ~m in 1 ~min . The power supplied by the motor is

Options

  1. A50 ~W
  2. B3000 ~W
  3. C1 ~W
  4. D100 ~W

Correct answer

A. 50 ~W

Step-by-step solution

Force exerted by electric motor, F=50 ~N Displacement, s=60 ~m Time, t=1 ~min =60 ~s Power supplied by the motor, array rlr P & = W t = F s t & [ W=F s] & = 50 60 60 =50 ~W & array

Practice Work, Power and Energy on Quantrex Academy →

More from Work, Power and Energy

All Work, Power and Energy questions Full Work, Power and Energy list All AP EAMCET PYQs