The relation between linear and angular acceleration is______________?

Related Mcqs:

1. 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°

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 angular speed for daily rotation of the earth in rad S-1 is______________?

   A. 7.3 x 10 radians/second
   B. 7.3 x 5 radians/second
   C. 3.7 x 10 7.3 x 5 radians/second
   D. 7.3 x 10-5 radians/second

4. The angular speed of seconds hand of a watch in rads-1 is______________?

   A. π
   B. π/2
   C. π/30
   D. π/180

5. 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

6. In an angular motion, Newton’s second law of motion is_____________?

   A. F=ma
   B. F=τp/It
   C. Στ = I α
   D. All above

7. 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

8. The angular position of cells remains the same for a sample of a crystal. This property is called___________________?

   A. Isotropy
   B. Cleavage
   C. Homogeneity
   D. The external symmetry of form

9. Which shows the correct relation between time of flight T and maximum height H ?

   A. H=gT2/8
   B. H=8T2/g
   C. H=8g/T2
   D. H=gT2

10. The relation between horse power and watt is_________________?

    A. 1 hp = 546 watts
    B. 1 hp = 746 watts
    C. 1 hp = 1000 watts
    D. 1 hp = 946 watts