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Systems of Particles and Rotational Motion Test - 56
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Systems of Particles and Rotational Motion Test - 56
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  • Question 1/10
    4 / -1
    A ring of radius r and mass m rotates about an axis passing through its centre and perpendicular to its plane with angular velocity ω. Its kinetic kinetic energy is
    Solutions

  • Question 2/10
    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 3/10
    4 / -1
    A spherical solid ball of 1 kg mass and radius 3 cm is rotating about an axis passing through its centre with an angular velocity of 50 rad/s. The kinetic energy is
    Solutions

  • Question 4/10
    4 / -1
    A metre stick is held vertically with one end of the floor and is then allowed to fall. If the end touching the floor is not allowed to slip, the other end will hit the ground with a velocity of (g = 9.8 m/s2)

    Solutions

  • Question 5/10
    4 / -1
    Two bodies with moment of inertia I1 and I2 (such that I1 > I2) have equal angular velocity. If their kinetic energy of rotation are E1 and E2, then
    Solutions

  • Question 6/10
    4 / -1

    Solutions

  • Question 7/10
    4 / -1
    A circular disc of mass 0.41 kg and radius 10 m rolls without slipping with a velocity of 2 m/s. The total kinetic energy of disc is
    Solutions

  • Question 8/10
    4 / -1
    A metre stick of mass 400 g is pivoted at one end and displaced through an angle 60°. The increase in its potential energy is
    Solutions

  • Question 9/10
    4 / -1
    A flywheel rotating about a fixed axis has a kinetic energy of 360 joule when its angular speed is 30 rad/sec. The moment of inertia of the wheel about the axis of rotation is
    Solutions

  • Question 10/10
    4 / -1
    A sphere rolls down on an inclined plane of inclination θ. What is the acceleration as the sphere reaches bottom?
    Solutions

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