Home
Class 12
PHYSICS
A small ball strikes a stationery unifor...

A small ball strikes a stationery uniform rod, which is free to rotate, in gravity-free space. The ball does not stick to the rod. The rod will rotate about

A

Its centre of mass

B

the centre of mass of rod plus ball

C

the point of impact of the ball on the rod

D

A point which lies between centre and other end of the rod

Text Solution

Verified by Experts

The correct Answer is:
4
By definition of instantaneous centre.
Promotional Banner

Topper's Solved these Questions

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART (A)|32 Videos

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART (B)|3 Videos

  • TEST PAPERS

    BANSAL|Exercise PHYSICS PART- C|4 Videos

  • SEMICONDUCTORS

    BANSAL|Exercise CBSE Question|32 Videos

Similar Questions

Explore conceptually related problems

An impulse J = mv at one end of a stationary uniform frictionless rod of mass m and length l which is free to rotate in a gravity-free space. The impact is elastic. Instantaneous axis of rotation of the rod will pass through

A rod which is free to move around a point is called_____.

One end of a uniform rod of mass M and length L is supproted by a frictionless hinge which can with stand a tension of 1.75 Mg . The rod is free to rotate in a vertical plane. The maximum angle should the rod be rotated from the vertical position so that when left, the hinge does not brek is (pi)/n

A thin rod of mass m and length l is rotated in a horizontal plane about one of its ends with a constant angular speed omega in gravity free space.Then the tension at the midpoint of the rod is (3mlomega^2)/(p) .The value of p is?

A uniform rod ofmass M and length L is hanging from its one end free to rotate in a veritcal plane.A small ball of equal mass is attached of the lowe end as shown. Time period of small oscillations of the rod is

A uniform rod of legth L is free to rotate in a vertica plane about a fixed horizontal axis through B . The rod begins rotating from rest. The angular velocity omega at angle theta is given as

A uniform rod of mass m and length l is fixed from Point A , which is at a distance l//4 from one end as shown in the figure. The rod is free to rotate in a vertical plane. The rod is released from the horizontal position. What is the reaction at the hinge, when kinetic energy of the rod is maximum?

A uniform rod of length l and mass M pivoted about its end as shown in Fig. and is free to rotate in the vertical plane about the pivot. The rod is released from rest in the horizontal position. (a) What is the initial angular acceleration of the rod? (b) Find the initial acceleration of the right end of the rod? ( c) Find normal contact force due to hinge when rod has rotated through angle theta as shown in Fig.

BANSAL-TEST PAPERS-PHYSICS
  1. A non-uniform ball of radius R and radius of gyration about geometric ...

    Text Solution

    |

  2. A solid sphere and a solid cylinder having the same mass and radius, r...

    Text Solution

    |

  3. A small ball strikes a stationery uniform rod, which is free to rotate...

    Text Solution

    |

  4. A slender rod is hinged at its top end and hanging freely in a vertica...

    Text Solution

    |

  5. A yo-yo, arranged as shown, rests on a frictionless surface. When a fo...

    Text Solution

    |

  6. A wheel of radius R rolls on the ground with a uniform velocity v. The...

    Text Solution

    |

  7. Two forces of magnitude F are acting on a uniform disc kept on a horiz...

    Text Solution

    |

  8. A thin hollow sphere of mass m is completely filled with non viscous l...

    Text Solution

    |

  9. A particle performing uniform circular motion gas angular momentum L. ...

    Text Solution

    |

  10. A child is standing on the edge of a merry-go-round that has the shape...

    Text Solution

    |

  11. A steel rod of length L, density d and cross-sectional area A, is hing...

    Text Solution

    |

  12. The steel wire of cross-sectional area =2 mm^2 [Y= 200GPa, alpha= 10^(...

    Text Solution

    |

  13. The density of a uniform rod with cross-section A is d, its specific h...

    Text Solution

    |

  14. A hollow spere of mass M and radius R is rotating with angular frequen...

    Text Solution

    |

  15. Statement-1: At a steelworks, molten iron is heated to 1500^(@)C to re...

    Text Solution

    |

  16. Three metal rod A, B and C of same length and cross-section are placed...

    Text Solution

    |

  17. Block A is a 50-g aluminium block originally at 90^@C. Block B is a 10...

    Text Solution

    |

  18. The power emitted per unit area of a black body is R watt/m^2. At what...

    Text Solution

    |

  19. In the figure-II temperature of inner surface of cylinder is 0^@C and ...

    Text Solution

    |

  20. A vessel of volume 0.02m^3 contains a mixture of hydrogen and helium a...

    Text Solution

    |