Engineering Mechanics - PKRB: Work and Energy - Discussion

Discussion :: PKRB: Work and Energy - General Questions (Q.No.3)


The spool of cable, originally at rest, has a mass of 200 kg and a radius of gyration of kG = 325 mm. If the spool rests on two small rollers A and B and a constant horizontal force of P = 400 N is applied to the end of the cable, compute the angular velocity of the spool when 8 m of cable has been unraveled. Neglect friction and the mass of the rollers and unraveled cable.

[A]. = 10.00 rad/s
[B]. = 12.31 rad/s
[C]. = 17.41 rad/s
[D]. = 40.0 rad/s

Answer: Option C


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