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

Related Mcqs:

1. When a body moves in a circle of radius r with linear speed V its centripetal force is_______________?

   A. mV/r2
   B. mV/r
   C. mV2/r
   D. mV2/r2

2. 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

3. 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

4. The relation between linear and angular acceleration is______________?

   A. a = a x r
   B. a = r x a
   C. a = a x r
   D. r = a x a

5. When the body moves with terminal velocity the acceleration in the body become_____________?

   A. 0
   B. Maximum
   C. Variable
   D. Infinite

6. The shaft of a motor rotates at a constant angular speed of 360rev/min. Angle turned through in 1 sec in radian is________________?

   A. π
   B. 3π
   C. 6π
   D. 12π

7. If a wheel of radius r turns through an angle of 30° then the distance through which any point on its rim moves is______________?

   A. π /3 x r
   B. π/6 x r
   C. V/30 x r
   D. π / 180 x r

8. When a projectile moves upward , its vertical component of velocity?

   A. Decrease
   B. increase
   C. Remains same
   D. None of these

   Submitted by: Raza Baloch

9. The flow of ideal fluid is always_______________?

   A. Turbulent
   B. Streamline
   C. Irregular
   D. Straight line

10. When a body moves in a straight line then its displacement coincides with__________________?

    A. distance
    B. force
    C. acceleration is zero
    D. both A and B