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Motion in a Plane Test - 34
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Motion in a Plane Test - 34

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  • Question 1/10
    4 / -1
    A body crosses the topmost point of a vertical circle with critical speed. Its centripetal acceleration, when the string is horizontal will be
    Solutions

  • Question 2/10
    4 / -1
    A simple pendulum oscillates in a vertical plane. When it passes through the mean position, the tension in the string is 3 times the weight of the pendulum bob. What is the maximum displacement of the pendulum with respect to the vertical?
    Solutions

  • Question 3/10
    4 / -1
    A particle is moving in a vertical circle. The tension in the string when passing through two positions at angles 30o and 60o from vertical (lowest position) are T1 and T2 respectively, then
    Solutions

  • Question 4/10
    4 / -1
    A particle is kept at rest at the top of a sphere of diameter 42 m. When disturbed slightly, it slides down. At what height \'h\' from the bottom, the particle will leave the sphere
    Solutions

  • Question 5/10
    4 / -1
    The angle turned by a body undergoing circular motion depends on time as θ = θ0 + θ1t + θ2t2. Then, the angular acceleration of the body is
    Solutions

  • Question 6/10
    4 / -1
    A small disc is on the top of a hemisphere of radius R. What is the smallest horizontal velocity v that should be given to the disc for it to leave the hemisphere and not slide down it? [There is no friction]
  • Question 7/10
    4 / -1
    A body of mass 0.4 kg is whirled in a vertical circle making 2 rev/sec. If the radius of the circle is 2 m, then tension in the string when the body is at the top of the circle, is
    Solutions

  • Question 8/10
    4 / -1
    The maximum and minimum tension in the string whirling in a circle of radius 2.5 n with constant velocity are in the ratio 5:3, the its velocity is

    Solutions

  • Question 9/10
    4 / -1
    A particle moves in a circular path with decreasing speed. Choose the correct statement
  • Question 10/10
    4 / -1
    A bridge is in the form of a semi circle of radius 40m. The greatest with which a motor cycle can cross the bridge without leaving the ground at the highest point is (g = 10m/s–2)
    (frictional force is negligibly small)
    Solutions

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