A Circle has a number of tangents equal to _________?

Related Mcqs:

1. The direction of the linear velocity of a body moving in a circle is______________?

   A. along the axis of rotation
   B. along the tangent
   C. directed towards the centre
   D. directed away from the centre

2. hen a body moves in a circle, the angle between its linear velocity and angular velocity is always_______________?

   WA. 180°
   B. 0°
   C. 90°
   D. 45°

3. When a body is whirled in a horizontal circle by means of a string the centripetal force is supplied by______________?

   A. Mass of a body
   B. Velocity of body
   C. The tension in the string
   D. Centripetal acceleration

4. A stone is whirled in a vertical circle at the end of a string. When the stone is at the highest position the tension in the string is______________?

   A. Maximum
   B. Zero
   C. Equal to the weight of the stone
   D. Less than the weight of the stone

5. If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________?

   A. 4 rad. S-1
   B. 5 rad. S-1
   C. 1.6 rad. S-1
   D. 2.8 ms-1

6. If we whirl a stone at the end of a string in the vertical circle, it is likely to break when the stone is________________?

   A. At the highest point
   B. At the lowest point
   C. At any point during motion
   D. At the point where gravity is not acting

7. Moving along the circumference of a circle completes two revolutions. If the radius of the circular path is R, the ratio of displacement to the covered path will be_______________?

   A. πR
   B. 2πR
   C. 0
   D. 4πR

8. The acceleration of a projection on the diameter for a particle moving along a circle is_______________?

   A. w2x
   B. wx2
   C. w2x
   D. wx2

9. The projection of the particle moving in a circle with non-uniform speed executes ?

   A. S.H.M
   B. Vibratory motion
   C. Both B and D
   D. None S.H.M

10. An object travels at constant speed around a circle of radius 1.0 m in 2.0 seconds. What is the magnitude of its acceleration?

    A. 0
    B. π²
    C. 2 π²
    D. 4 π²

    Submitted by: Tauseef Ali