| 1 |
Pi radian is equal to. |
0<sup>o</sup>
90<sup>o</sup>
180<sup>o</sup>
57.3<sup>o</sup>
|
| 2 |
One radian is equal to. |
75.3<sup>o</sup>
57.3<sup>o</sup>
35.7<sup>o</sup>
73.3<sup>o</sup>
|
| 3 |
The motion of a body moving along a circular path is called. |
Translational motion
Angular motion
Vibratory motion
Linear motion
|
| 4 |
The artificial satellites are held in orbits by |
Gravitational force
Electric force
Magnetic force
All of these
|
| 5 |
The orbital angular momentum is associated with the motion of a body along |
Straight path
Circular path
Curved path
Along any path
|
| 6 |
In case of planets centripetal force is provided by |
Coulomb's force
Electrostatic force
Gravitational force
Magnetic force
|
| 7 |
The work done by centripetal force is |
(-)ve
(+)ve
Maximum
Zero
|
| 8 |
The moment of inertia is analogue to |
Mass
Weight
Torque
Force
|
| 9 |
The angle between circumference of a circle and center is |
|
| 10 |
The formula of centripetal acceleration is |
|
| 11 |
The equations of angular motion hold only in case when the axis of rotation is |
Moving
Fixed
Both a and b
None of these
|
| 12 |
The relation between linear and angular velocity is |
|
| 13 |
The direction of angular acceleration is |
Along the axis of rotation
Perpendicular to the axis of rotation
Opposite to axis of rotation
None of these
|
| 14 |
The angular acceleration a = |
|
| 15 |
Angular velocity determines, How fast or, How slow a body is |
Accelerating
Vibrating
Rotating
Oscillating
|
| 16 |
Time rate of change of angular displacement is called |
Linear velocity
Angular velocity
Rotational velocity
Vibrational velocity
|
| 17 |
|
|
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