| 1 |
The largest satellite system is managed by |
- A. 116 countries
- B. 126 countries
- C. 136 countries
- D. 140 countries
|
| 2 |
How many orbiting satellites from the Global positing system. |
|
| 3 |
In rotational motion the torque is equal to rate of change of |
- A. Angular velocity
- B. Linear momentum
- C. Angular momentum
- D. Angular acceleration
|
| 4 |
The value of angular momentum is maximum when 0 is |
- A. 90<sup>o</sup>
- B. 60<sup>o</sup>
- C. 75<sup>o</sup>
- D. 45<sup>o</sup>
|
| 5 |
A wheel of radius 50 cm having an angular speed of a rad /s have linear speed. |
- A. 1.5 m/s
- B. 3.5 m/s
- C. 2.5 m/s
- D. 4.5 m/s
|
| 6 |
If a body revolves under centripetal force its angular acceleration is |
- A. Non zero
- B. Variable
- C. Increasing
- D. Zero
|
| 7 |
In case of planets centripetal force is provided by |
- A. Coulomb's force
- B. Electrostatic force
- C. Gravitational force
- D. Magnetic force
|
| 8 |
The direction of angular velocity is determined. |
- A. Left hands rule
- B. Head to tail rule
- C. Right hand rule
- D. General rule
|
| 9 |
When a body is moving along a circular path, then such a motion is called |
- A. Vibratory motion
- B. Rotatory motion
- C. Linear motion
- D. None of these
|
| 10 |
Which quantity of the following is dimensionless. |
- A. Angular velocity
- B. Centripetal force
- C. Angular acceleration
- D. Angular displacement
|