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Systems of Particles and Rotational Motion Test - 91
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Systems of Particles and Rotational Motion Test - 91
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  • Question 1/10
    4 / -1
    As a part of a maintenance inspection the compressor of a jet engine is made to spin according to the graph as shown. The number of revolutions made by the compressor during the test is

    Solutions

  • Question 2/10
    4 / -1
    Moment of inertia of a sphere of mass M and radius R is I. Keeping M constant if a graph is plotted between I and R, then its form would be
    Solutions

  • Question 3/10
    4 / -1
    The graph between the angular momentum L and angular velocity ω will be
    Solutions

  • Question 4/10
    4 / -1
    The curve between loge L and loge P is (L is the angular momentum and P is the linear momentum)
    Solutions

  • Question 5/10
    4 / -1
    A solid homogeneous sphere is moving on a rough horizontal surface partly rolling and partly sliding. During this kind of motion of the sphere
    Solutions

  • Question 6/10
    4 / -1
    Two discs of moment of inertia I1 and I2 and angular speeds ω1 and ω2 are rotating along collinear axes passing through their centre of mass and perpendicular to their plane. If the two are made to rotate combindly along the same axis the rotational K.E. of system will be
    Solutions

  • Question 7/10
    4 / -1
    A circular disk of moment of inertia It is rotating in a horizontal plane, about its symmetry axis, with a constant angular speed ωi. Another disk of moment of inertia Ib is dropped coaxially onto the rotating disk, Initially the second disk has zero angular speed. Eventually both the discs rotate with a constant angular speed ωf. The energy lost by the initially rotating disc to friction is
    Solutions

  • Question 8/10
    4 / -1
    A body of mass m slides an incline and reaches the bottom with a velocity v. If the same mass were in the form of a ring which rolls down this incline, the velocity of the ring at bottom would have been
    Solutions

  • Question 9/10
    4 / -1
    A solid sphere is rolling on a frictionless surface, shown in figure with a transnational velocity v m/s. If sphere climbs up to height h then value of v should be

    Solutions

  • Question 10/10
    4 / -1
    An equilateral triangle ABC formed from a uniform wire has two small identical beads initially located at A. The triangle is set rotating about the vertical axis AO. Then the beads are released from rest simultaneously and allowed to slide down, one along AB and the other along AC as shown. Neglecting frictional effects, the quantities that are conserved as the beads slide down, are

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