Home
Class 12
PHYSICS
The figure shows a uniform rod lying alo...

The figure shows a uniform rod lying along the `x`-axis. The locus of all the points lying on the `xy`-plane, about which the moment of inearth, of the rod is same as that about `O`, is

A

an ellipse

B

a circle

C

a parabola

D

a straight line

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Show that moment of a couple does not depend on the point about which you take the moments.

A uniform thin rod is bent in the form of closed loop ABCDEFA as shown in the figure. The ratio of moment of inertia of the loop about x -axis to that about y -axis is

The diagram shows a uniform disc of mass M & radius ' a ', if the moment of inertia of the disc about the axis XY is I , its moment of inertia about an axis through O and perpendicular to the plane of the disc is

Figure shows the variation of the moment of inertia of a uniform rod, about an axis passing through itss centre and inclined at an angle theta to the length. The moment of inertia of the rod about an axis passing through one of its ends and making an angle theta=(pi)/(3) will be

A non-uniform rod of mass m , length l and radius r is having its centre of mass at a distance l//4 from the centre and lying on the axis of the cylinder. The cylinder is kept in a liquid of uniform density rho . The moment of inertia of the rod about the centre of mass is I . The angular acceleration of point A relative to point B just after the rod is released from the position as shown in the figure is

Two identical rings each of mass m with their planes mutually perpendicular, radius R are welded at their point of contact O . If the system is free to rotate about an axis passing through the point P perpendicular to the plane of the paper, then the moment of in inertia of the system about this axis is equal to

The figure shows an isosceles triangle plate of mass M and base L . The angle at the apex is 90^@ . The apex lies at the origin and the base is parallel to X- axis. The moment of inertia of the plate about the y- axis is

There is a thin rod of uniform cross-section of mass M and length L. If this rodis is bent at 90^(@) from the mid-point, then the moment of inertia about the axis passing through mid-point and perpendicular to the plane which includes both parts of rod is .........

The figure shows an isosceles triangle plate of mass M and base L . The angle at the apex is 90^@ . The apex lies at the origin and the base is parallel to X- axis. The moment of inertia of the plate about its base parallel to the x- axis is

Number of points lying on the line 7x+4y+2=0 which is equidistant from the lines 15x^2+56xy+48y^2=0 is

ALLEN -TEST PAPER-Exercise (Physics)
  1. The maximum tension in the string of a pendulum is three times the min...

    Text Solution

    |

  2. A body of radius R and mass m is rolling smoothly with speed v on a ho...

    Text Solution

    |

  3. The figure shows a uniform rod lying along the x-axis. The locus of al...

    Text Solution

    |

  4. Same number of books are placed in four books cases as shown. Which lo...

    Text Solution

    |

  5. A hollow smooth uniform A of mass 'm' rolls without sliding on a smoot...

    Text Solution

    |

  6. In an experiment with a beam balance an unknown mass m is balanced by ...

    Text Solution

    |

  7. A fixed pulley of radius 20 cm and moment of inertia 0.32 kg.m^(2) abo...

    Text Solution

    |

  8. Figures 1 and 2 below show a meter stick, haif of which is wood and ha...

    Text Solution

    |

  9. A sphere of mass M and radius r slips on a rough horizontal plane. At ...

    Text Solution

    |

  10. A 1 Kg solid sphere rolls without slipping on a rough horizontal sufac...

    Text Solution

    |

  11. Moment of inertia of a rigid body is expressed in units of kg m^(2). T...

    Text Solution

    |

  12. A mass m(1) moves with a great velocity. It strikes another mass m(2) ...

    Text Solution

    |

  13. N similar slabs of cubical shape of edge b are lying on ground. Densit...

    Text Solution

    |

  14. A ball collides elastically with a massive wall moving towards it with...

    Text Solution

    |

  15. A block of mass m=1/3 kg is kept on a rough horizontal plane. Friction...

    Text Solution

    |

  16. Consider two observers moving with respect to each other at a speed v ...

    Text Solution

    |

  17. Consider following statement (A) Work done by pseudo force in non-in...

    Text Solution

    |

  18. Forces acting on a particle have magnitude of 14N, 7N and 7N act in th...

    Text Solution

    |

  19. The graph below shows how the force on a mass depends on the position ...

    Text Solution

    |

  20. The kinetic energy of a particle continuously icreses with time

    Text Solution

    |