Please wait...

Motion in a Plane Test - 28
Result
Motion in a Plane Test - 28

  • /

    Score

  • -

    Rank
Time Taken: -
  • Question 1/10
    4 / -1
    A boy on a cycle pedals around a circle of 20 m radius at a speed of 20 m/sec. The combined mass of the boy and the cycle is 90 kg. The angle that the cycle makes with the vertical so that is may not fall is (g = 9.8 m/s2)
    Solutions

  • Question 2/10
    4 / -1
    The average acceleration vector for a particle having a uniform circular motion is
  • Question 3/10
    4 / -1
    Radius of the curved road on national highway is R. Width of the road is b. The outer edge of the road is raised by h with respect to inner edge so that a car with velocity v can pass safe over it. The value of h is
    Solutions

  • Question 4/10
    4 / -1
    The magnitude of the centripetal force acting on a body of mass m executing uniform motion in a circle of radius r with speed v is
  • Question 5/10
    4 / -1
    A string breaks if its tension exceeds 10 N. A stone of mass 250 gm tied to this string of length 10 cm is rotated in a horizontal circle. The maximum angular velocity of rotation can be
    Solutions

  • Question 6/10
    4 / -1
    A ball of mass 0.25 kg attached to the end of a string of length 1.96 m moving in a horizontal circle. Te string will break if the tension is more than 25 N. What is the maximum speed with which the ball can be moved?
    Solutions

  • Question 7/10
    4 / -1
    A body of mass 5 kg is moving in a circle of radius 1 m with an angular velocity of 2 radian/sec. The centripetal force is
    Solutions

  • Question 8/10
    4 / -1
    If a particle of mass m moving in a horizontal circle of radius r with a centripetal force (–k/r2), the total energy is
    Solutions

  • Question 9/10
    4 / -1
    A stone of mass 16 kg is attached to a string 144 m long and is whirled in a horizontal circle. The maximum tension the string can withstand is 16N. The maximum velocity of revolution that can be given to the stone without braking it, will be
    Solutions

  • Question 10/10
    4 / -1
    A circular road of radius 1000 m has banking angle 45o. The maximum safe speed of a car having mass 2000 kg will be, if the coefficient of friction between type and road is 0.5
    Solutions

User Profile
-

Correct (-)

Wrong (-)

Skipped (-)

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Click on Allow to receive notifications
×
Open Now