Critical speed of rotation, N (in rps - rotation per second) of a trammel is equ

Question

Critical speed of rotation, N (in rps - rotation per second) of a trammel is equal to (where, g = acceleration due to gravity = 9.81 m/sec² and, r = radius of trammel, metre. )

Options:

A . A

B . B

C . C

D . D

Answer: Option A
Answer: (a).A

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