| 1 |
Height of geo stationary orbit of the satellite above the earth is. |
- A. 300 km
- B. 250 km
- C. 400 km
- D. None of these
|
| 2 |
When a body moves in circular motion, the angle between linear and angular velocity is. |
- A. 180<sup>o</sup>
- B. 90<sup>o</sup>
- C. 60<sup>o</sup>
- D. 75.3<sup>o</sup>
|
| 3 |
As we go from pole to equator of earth, the value of 'g' |
- A. Increase
- B. Decrease
- C. Remain constant
- D. Zero
|
| 4 |
In case of planets centripetal force is provided by |
- A. Coulomb's force
- B. Electrostatic force
- C. Gravitational force
- D. Magnetic force
|
| 5 |
A man of 1 kg is freefalling. The force of gravity is |
- A. 1 N
- B. 9.8 N
- C. 0.5 N
- D. Zero
|
| 6 |
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| 7 |
If a body revolves under centripetal force its angular acceleration is |
- A. Non zero
- B. Variable
- C. Increasing
- D. Zero
|
| 8 |
Which quantity of the following is dimensionless. |
- A. Angular velocity
- B. Centripetal force
- C. Angular acceleration
- D. Angular displacement
|
| 9 |
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
|
| 10 |
In rotational motion the analogous of mass is |
- A. Angular acceleration
- B. Torque
- C. Moment of inertia
- D. Angular momentum
|