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The ratio of the acceleration for a solid sphere (mass m and radius R) rolling down an incline of angle θ without slipping and slipping down the incline without rolling is, ______ - Physics

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प्रश्न

The ratio of the acceleration for a solid sphere (mass m and radius R) rolling down an incline of angle θ without slipping and slipping down the incline without rolling is, ______

पर्याय

  • 5:7

  • 2:3

  • 2:5

  • 7:5

MCQ
रिकाम्या जागा भरा

उत्तर

The ratio of the acceleration for a solid sphere (mass m and radius R) rolling down an incline of angle θ without slipping and slipping down the incline without rolling is 5:7.

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पाठ 5: Motion of System of Particles and Rigid Bodies - Evaluation [पृष्ठ २६१]

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सामाचीर कलवी Physics - Volume 1 and 2 [English] Class 11 TN Board
पाठ 5 Motion of System of Particles and Rigid Bodies
Evaluation | Q I. 11. | पृष्ठ २६१

संबंधित प्रश्‍न

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(a) Give the direction of frictional force at B, and the sense of frictional torque, before perfect rolling begins.

(b) What is the force of friction after perfect rolling begins?


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  1. Find the torque of the force exerted by the man on the ladder about the upper end of the ladder.
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  1. The forces may be acting radially from a point on the axis.
  2. The forces may be acting on the axis of rotation.
  3. The forces may be acting parallel to the axis of rotation.
  4. The torque caused by some forces may be equal and opposite to that caused by other forces.

Two discs of moments of inertia I1 and I2 about their respective axes (normal to the disc and passing through the centre), and rotating with angular speed ω2 and ω2 are brought into contact face to face with their axes of rotation coincident.

  1. Does the law of conservation of angular momentum apply to the situation? why?
  2. Find the angular speed of the two-disc system.
  3. Calculate the loss in kinetic energy of the system in the process.
  4. Account for this loss.

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