A body oscillates with amplitude of 10 cm in a horizontal platform. The maximum angular frequency which the platform can vibrate vertically such that body of mass 10 kg will not leave contact is

Options

(a) 1 rad s⁻¹
(b) 10 rad s⁻¹
(c) 20 rad s⁻¹
(d) None of these

Correct Answer:

10 rad s⁻¹

Explanation:

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