| 1 |
One revolution is equal to. |
- A. 90<sup>o</sup>
- B. 180<sup>o</sup>
- C. 360<sup>o</sup>
- D. 270<sup>o</sup>
|
| 2 |
A man of mass 5 kg is falling freely, the fore acting on it will be |
- A. 5 N
- B. 9.8 N
- C. 19.6 N
- D. 49 N
|
| 3 |
A body rotating with angular velocity of 2 radian/s and linear velocity is also 2 ms-1, then radius of circle is. |
- A. 1 m
- B. 0.5 m
- C. 4 m
- D. 2 m
|
| 4 |
Artificial gravity can be created in the space ship by |
- A. Revolving around the earth
- B. Spinning around its own axis
- C. Increasing its velocity
- D. Decreasing it svelocity
|
| 5 |
The direction of angular acceleration is |
- A. Along the axis of rotation
- B. Perpendicular to the axis of rotation
- C. Opposite to axis of rotation
- D. None of these
|
| 6 |
A 60 kg man in an elevator is moving upward with an acceleration of 9.8 ms-2. The apparent weight of the man. |
- A. Increase
- B. Decreases
- C. Remain constant
- D. Becomes zero
|
| 7 |
The weight of an object an elevator moving down with an acceleration of 9.8 m/s2 will becomes |
- A. Half
- B. Double
- C. Unchanged
- D. Zero
|
| 8 |
The motion of a body moving along a circular path is called. |
- A. Translational motion
- B. Angular motion
- C. Vibratory motion
- D. Linear motion
|
| 9 |
The SI unit of angular displacement is. |
- A. Degree
- B. Revolution
- C. Radian
- D. Rotation
|
| 10 |
Which is unimportant in describing the satellites orbit. |
- A. Distance of satellite from earth's center
- B. Gravitational constant G
- C. Mass of satellite
- D. Mass of earth
|