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NEETPhysicsRotational Motion

What is the work done by a steady pull of 25 N when 2 m of cord is unwound from a flywheel with a mass of 20 kg and a radius of 20 cm, mounted on a horizontal axle with frictionless bearings?

Options

  1. A10 J
  2. B25 J
  3. C50 J
  4. D100 J

Correct answer

C. 50 J

Step-by-step solution

Correct Option is : (C) 50 J

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