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Systems of Particles and Rotational Motion Test - 30
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Systems of Particles and Rotational Motion Test - 30
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  • Question 1/10
    4 / -1
    Two identical balls each of radius 10 cm are placed touching each other. The distance of their centre of mass from the point of contact is
  • Question 2/10
    4 / -1
    The reduced mass of the system of two particles of masses M and 2 M will be
    Solutions

  • Question 3/10
    4 / -1
    Mass is distributed uniformly over a thin square plate. If two end points of a diagonal are (–2, 0) and (2, 2), what are the coordinates of centre of mass of plate ?
    Solutions

  • Question 4/10
    4 / -1
    In the above question, where do the fragments P and Q hit the ground from the point of projection ?
    Solutions

  • Question 5/10
    4 / -1
    A hoop of mass M and radius R is suspended on a peg in a wall. Its moment of inertia about the peg is
    Solutions

  • Question 6/10
    4 / -1
    M.I. of a thin rod of mass M and length l about an axis through its centre is Ml2/12. Its M.I. about a parallel axis through end of rod is
    Solutions

  • Question 7/10
    4 / -1
    Three point masses, each of mass m are placed at the corners of an equilateral of triangle of side l. Moment of inertia of this system about an axis along one side of triangle is
    Solutions

  • Question 8/10
    4 / -1
    A stone of mass 4 kg is whirled in a horizontal circle of diameter 2 m. If it makes 5 rps, then M.I. of stone about the axis of rotation is
    Solutions

  • Question 9/10
    4 / -1
    An inclined plane makes an angle of 30o with the horizontal. A solid sphere rolling down the inclined plane from rest without slipping has a linear acc. equal to
    Solutions

  • Question 10/10
    4 / -1
    About which axis in the following fig. the moment of inertia of the rectangular lamina is maximum ?

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