A) remain unaffected
B) increase
C) decrease
D) be lower at the bottom of the centrifugal tube
Correct Answer: B
Solution :
Centrifugal force will be equal and opposite to the centripetal force \[F\text{ }=m\,{{\omega }^{2}}r\] where, \[m\]= Mass of the rotor \[\omega =\] Angular frequency As, \[m\]and \[\omega \] remains constant \[F\propto r\] Thus, with the increase in diameter (2r) the centripetal force and, the centrifugal force will increase.
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