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A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleration of 2 revolutions s−2 is :
  • a)
    78.5 N
  • b)
    157 N
  • c)
    2.5 πN
  • d)
    50 N
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate abou...
Mass of the cylinder m=50kg (Given)

Radius of the cylinder r =0.5m  (Given)

α = 2 rev/s^2

Torque by Tension in string = T � R= T x 0.5 = T/2 N-M

= T = Iα = T/2 = Iα

= T/2 = 50 � (0.5)^2 � 4π/2

T = 157N

Therefore, Tension in the string required to produce an angular acceleration of 2 revolutions s^-2 is 157N.
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A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleration of 2 revolutions s−2is :a)78.5 Nb)157 Nc)2.5 πNd)50 NCorrect answer is option 'A'. Can you explain this answer?
Question Description
A solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleration of 2 revolutions s−2is :a)78.5 Nb)157 Nc)2.5 πNd)50 NCorrect answer is option 'A'. 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 solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleration of 2 revolutions s−2is :a)78.5 Nb)157 Nc)2.5 πNd)50 NCorrect answer is option 'A'. 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 solid cylinder of mass 50 kg and radius 0.5 m is free to rotate about the horizontal axis. A massless string is wound round the cylinder with one end attached to it and other hanging freely. Tension in the string required to produce an angular acceleration of 2 revolutions s−2is :a)78.5 Nb)157 Nc)2.5 πNd)50 NCorrect answer is option 'A'. Can you explain this answer?.
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