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Kailash Rao Sekhon
Asked: 2022-11-03T14:32:18+05:30 In:

A man standing on a platform holds weights in his outstretched arms. The system is rotated about a central vertical axis. If the man now pulls the weights inwards close to his body then
A. the angular velocity of the system will increase
B. the angular momentum of the system will remain constant
C. the kinetic energy of the system will increase
D. all of the above

A man standing on a platform holds weights in his outstretched arms. The system is rotated about a central vertical axis. If the man now pulls the weights inwards close to his body then
A. the angular velocity of the system will increase
B. the angular momentum of the system will remain constant
C. the kinetic energy of the system will increase
D. all of the above
Parabola
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1 Answer

  1. I will decrease
    `thereforeomega` will increase (as `L=Iomega=` constant)
    `KE=(L^(2))/(2I)` will increase as `I` is decreasing.

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