Important Questions of System of Particles and Rotational Motion Physics | Zigya

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261.

Two particles A and B are moving as shown in the figure.

      

Their total angular momentum about the point O is

  • 9.8 kg m2 / s

  • zero

  • 52.7 kg m2 / s

  • 37.9 kg m2 / s


262.

A circular disc rolls on a horizontal floor without slipping and the centre of the disc moves with a uniform velocity v. Which of the following values of the velocity at a point on the rim of the disc can have ? 

  • v

  • − v

  • 2v

  • Zero


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