| 1 |
When a particle is moving along a circular path its projection along the diameter executes |
- A. Linear motion
- B. Vibratory motion
- C. Rotatory motion
- D. SHM
|
| 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 |
Angular acceleration is produced by |
- A. Power
- B. Torque
- C. Pressure
- D. Force
|
| 4 |
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
|
| 5 |
The centripetal force is always directed |
- A. Away from the centre along the radius
- B. Along the direction of motion
- C. Opposite to the motion of the body
- D. Towards the centre along the radius
|
| 6 |
A man weight 1000 N in a stationary lift. If the lift moves up with an acceleration of 10 ms-2. then its weight becomes. |
- A. 1000 N
- B. 2000 N
- C. 3000 N
- D. 0 N
|
| 7 |
Centripetal force perform |
- A. Maximum work
- B. Minimum work
- C. Negative work
- D. No work
|
| 8 |
Close orbiting satellites orbit the earth at a height of about |
- A. 400 km
- B. 4000 km
- C. 400 m
- D. 400 cm
|
| 9 |
Which quantity of the following is dimensionless. |
- A. Angular velocity
- B. Centripetal force
- C. Angular acceleration
- D. Angular displacement
|
| 10 |
In rotational motion the torque is equal to rate of change of |
- A. Angular velocity
- B. Linear momentum
- C. Angular momentum
- D. Angular acceleration
|
