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Answer to Question #60163 in Mechanics | Relativity for rutvik

Question #60163
21. A block of mass m is kept on a horizontal ruler. The
friction coefficient between the ruler and the block is g.
The ruler is fixed at one end and the block is at a
distance L from the fixed end. The ruler is rotated about
the fixed end in the horizontal plane through the fixed
end. (a) What can the maximum angular speed be for
which the block does not slip ? (b) If the angular speed
of the ruler is uniformly increased from zero at an
angular acceleration a, at what angular speed will the
block slip ?
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