A block of mass in contact against the inner wall of a hollow cylindrical drum of radius…
Physics · NEET · NTA Exams — Laws of Motion
A block of mass 
in contact against the inner wall of a hollow cylindrical drum of radius 
. The coefficient of friction between the block and the inner wall of the cylinder is 
. The minimum angular velocity needed for the cylinder to keep the block stationary when the cylinder is vertical and rotating about its axis will be \(\left(g=10 \mathrm{~m} / \mathrm{s}^{2}\right)\)
[NEET 2019]
in contact against the inner wall of a hollow cylindrical drum of radius . The coefficient of friction between the block and the inner wall of the cylinder is . The minimum angular velocity needed for the cylinder to keep the block stationary when the cylinder is vertical and rotating about its axis will be \(\left(g=10 \mathrm{~m} / \mathrm{s}^{2}\right)\) [NEET 2019]
Answer
(D)
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