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Four point masses are fastened to the co...

Four point masses are fastened to the corners of a frame of negligible mass lying in the xy plane. Let w be the angular speed of rotation. Then

A

rotational kinetic energy associated with a given angular speed depends on the axis of rotation.

B

rotational kinetic energy about y-axis is independent of m and its value is ` M a^(2) omega ^(2)`

C

rotational kinetic energy about z-axis depends on m and its value is `(Ma^(2) + mb^(2))omega^(2)`

D

rotational kinetic energy about z-axis is independent of m and its value is `Mb^(2) omega^(2)`

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The correct Answer is:
A, B, C
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