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A block of mass 10 kg is in contact against the inner wall of a hollow cylindrical drum of radius 1 m. The coefficient of friction between the block and the inner wall of the cylinder is 0.1. 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 : (g 10 m/s2 )
  • a)
     rad/s
  • b)
    10/2π rad/s
  • c)
    10 rad/s
  • d)
    10π rad/s
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A block of mass 10 kg is in contact against the inner wall of a hollow...
For equilibrium of the block limiting friction
fL≥ mg
⇒ μN ≥ mg

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A block of mass 10 kg is in contact against the inner wall of a hollow...
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A block of mass 10 kg is in contact against the inner wall of a hollow cylindrical drum of radius 1 m. The coefficient of friction between the block and the inner wall of the cylinder is 0.1. 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 : (g 10 m/s2 )a)rad/sb)10/2π rad/sc)10 rad/sd)10π rad/sCorrect answer is option 'C'. Can you explain this answer?
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A block of mass 10 kg is in contact against the inner wall of a hollow cylindrical drum of radius 1 m. The coefficient of friction between the block and the inner wall of the cylinder is 0.1. 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 : (g 10 m/s2 )a)rad/sb)10/2π rad/sc)10 rad/sd)10π rad/sCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A block of mass 10 kg is in contact against the inner wall of a hollow cylindrical drum of radius 1 m. The coefficient of friction between the block and the inner wall of the cylinder is 0.1. 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 : (g 10 m/s2 )a)rad/sb)10/2π rad/sc)10 rad/sd)10π rad/sCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A block of mass 10 kg is in contact against the inner wall of a hollow cylindrical drum of radius 1 m. The coefficient of friction between the block and the inner wall of the cylinder is 0.1. 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 : (g 10 m/s2 )a)rad/sb)10/2π rad/sc)10 rad/sd)10π rad/sCorrect answer is option 'C'. Can you explain this answer?.
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