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Systems of Particles and Rotational Motion Test - 23
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Systems of Particles and Rotational Motion Test - 23

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  • Question 1/10
    4 / -1
    In a bicycle the radius of rear wheel is twice the radius of front wheel. If rF and rr the radius, vF and vr are speed of top most points of wheel respectively then...
  • Question 2/10
    4 / -1
    If the angular momentum of any rotating body increases by 200%, then the increase in its kinetic energy will be.....
    Solutions

  • Question 3/10
    4 / -1
    The M.I. of a body about the given axis is 1.2 kgm2 initially the body is at rest. In order to produce a rotational kinetic energy of 1500 J. an angular acceleration of 25 rad/sec2 must be applied about that axis for duration of ....
    Solutions

  • Question 4/10
    4 / -1
    An automobile engine develops 100kw when rotating at a speed of 1800 r.p.m. what torque does it deliver ?
    Solutions

  • Question 5/10
    4 / -1
    The moment of inertia of two rotating bodies A and B are IA and IB.(IA > IB) and their angular momentum are equal. If their K.E. be KA and KB respectively then....
    Solutions

  • Question 6/10
    4 / -1
    If distance of the earth becomes three times that of the present distance from the sun then number of days in one year will be ....
    Solutions

  • Question 7/10
    4 / -1
    Two identical hollow spheres of mass M and radius R are joined together and the combination is rotated about an axis tangential to one sphere and perpendicular to the line connecting their centers. The moment of inertia of the combination is ________.

  • Question 8/10
    4 / -1
    If rotational K.E. is 50% of translational K.E. then the body is .....
    Solutions

  • Question 9/10
    4 / -1
    The moment of inertia of a meter scale of mass 0.6kg about an axi perpendicular to the scale and passing through 30 cm position on the scale is given by (Breath of scale is negligible). ________
  • Question 10/10
    4 / -1
    A constant torque of 1500 Nm turns a wheel of moment of inertia 300 kgm2 about an axis passing through its centre the angular velocity of the wheel after 3 sec will be.......... rad/sec
    Solutions

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