Question

A solid cylinder of mass \(2 kg \) and radius \(4 cm\) is rotating about its axis at the rate of \( 3 rpm\). The torque required to stop after \(2\pi \)revolutions is: 

• A. \(2\times 10{-6}Nm \)
• B. \(2\times 10{-3}Nm \)
• C. \(12\times 10{-4}Nm \)
• D. \(2\times 10{6}Nm \)

Answer 1

The Correct Option is A

The correct option is (A) :\(2\times 10{-6}Nm \)