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Physics - Rotational Motion

Practise 25 KVPY previous year questions on Rotational Motion, compiled from papers spanning 2011 to 2019. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty KVPY tests.

  1. 1A spherical rigid ball is released from rest and starts rolling down an inclined plane from height h = 7 m , as shown in the figure. It hits2019 (SB/SX)
  2. 2A train is moving slowly at 2 m / s next to a railway platform. A man, 1 . 5 m tall, alights from the train such that his feet are fixed on 2019 (SB/SX)
  3. 3A table has a heavy circular top of radius 1 m and mass 20 kg placed on four light (considered massless) legs placed symmetrically on its ci2018 (SB/SX)
  4. 4Persons and are standing on the opposite sides of a wide water stream which they wish to cross. Each one of them has a rigid wooden plank wh19 Nov, 2017 (SA)
  5. 5Two parallel discs are connected by a rigid rod of length centrally. Each disc has a slit oppositely placed as shown in the figure. A beam o19 Nov, 2017 (SA)
  6. 6A uniform thin wooden plank AB of length and mass is kept on a table with its end slightly outside the edge of the table. When an impulse is19 Nov, 2017 (SB/SX)
  7. 7A small ring is rolling without slipping on the circumference of a large bowl as shown in the figure. The ring is moving down at , comes dow19 Nov, 2017 (SB/SX)
  8. 8A solid cube of wood of side and mass is resting on a horizontal surface as shown in the figure. The cube is free to rotate about the fixed 19 Nov, 2017 (SB/SX)
  9. 9A solid cube of wood of side and mass is resting on a horizontal surface as shown in the figure. The cube is free to rotate about a fixed ax05 Nov, 2017 (SB/SX)
  10. 10One end of a rod of length is fixed to a point on the circumference of a wheel of radius . The other end is sliding freely along a straight 05 Nov, 2017 (SB/SX)
  11. 11A uniform metal plate shaped like a triangle has a mass of . the length of the sides and CA are and , respectively. The plate is pivoted fre2016 (SA)
  12. 12A"V" shaped rigid body has two identical uniform arms. What must be the angle between the two arms so that when the body is hung from one en2016 (SA)
  13. 13Which one of the following four graphs best depict the variation with of the moment of inertia of a uniform triangular lamina about an axis 2016 (SA)
  14. 14A particle at a distance of from the origin starts moving such that , where are polar coordinates. Then the angle between resultant velocity2016 (SB/SX)
  15. 15Consider two masses with connected by a light inextensible string that passes over a pulley of radius and moment of inertia I about its axis2016 (SB/SX)
  16. 16A horizontal disk of moment of inertia with respect to its axis of symmetry is spinning counter clockwise at 15 revolutions per second about2015 (SB/SX)
  17. 17The moments of inertia of a non-uniform circular disc (of mass and radius ) about four mutually perpendicular tangents are and respectively 2015 (SB/SX)
  18. 18A body moves in a circular orbit of radius under the action of a central force. Potential due to the central force is given by is a positive2014 (SB/SX)
  19. 19A solid cylinder P rolls without slipping from rest down an inclined plane attaining a speed at the bottom. Another smooth solid cyclinder o2014 (SB/SX)
  20. 20A solid sphere spinning about a horizontal axis with an angular velocity is placed on a horizontal surface. Subsequently it rolls without sl2014 (SB/SX)
  21. 21A wheel of radius with an axle of radius is shown in the figure and is free to rotate about a frictionless axis through its centre and perpe2013 (SB/SX)
  22. 22A solid sphere rolls without slipping, first horizontal and then up to a point at height on an inclined plane before rolling down, as shown.2013 (SB/SX)
  23. 23A plank is resting on a horizontal ground in the northern hemisphere of the Earth at a latitude. Let the angular speed of the Earth be and i2013 (SB/SX)
  24. 24Seven identical coins are rigidly arranged on a flat table in the pattern shown below so that each coin touches its neighbors. Each coin is 2012 (SB/SX)
  25. 25Figure below shows a small mass connected to a string, which is attached to a vertical post. If the ball is released when the string is hori2011 (SB/SX)

Frequently Asked Questions

1.How many questions are available for Rotational Motion?

This chapter includes 25 questions compiled from KVPY papers spanning 2011 to 2019.

2.Are these questions only from KVPY, or from other exams too?

These are KVPY questions specifically for the Rotational Motion chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Rotational Motion an important chapter for KVPY Physics?

Rotational Motion has appeared in 9 of the 11 years of KVPY papers covered here, with 25 questions across 12 papers - about 2 per paper it appears in.