\textbf{186-} A horizontal flat surface rotates around a vertical axis and makes 6 complete revolutions per minute. A 5 kg cubic object is placed on this surface at a distance of 2 meters from the axis of rotation and rotates with the surface without sliding. How many newtons of force is applied to the cube? $\left(g = 10\,\dfrac{\text{m}}{\text{s}^2}\right)$
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(1) $8$ \hspace{2cm} (2) $2\pi$ \hspace{2cm} (3) $0.7\pi^2$ \hspace{2cm} (4) $0.4\pi^2$
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