| 1 |
The dimensions of angular velocity are |
- A. [LT-1]
- B. [LT-2]
- C. [T-1]
- D. [L-1T-1]
|
| 2 |
Weight of a 60 kg man in moving elevator with constant acceleration of 1/2 f |
- A. Zero
- B. 300 N
- C. 600 N
- D. 200 N
|
| 3 |
Close orbiting satellites orbit the earth at a height of about |
- A. 400 km
- B. 4000 km
- C. 400 m
- D. 400 cm
|
| 4 |
Which of the following is not directed along the fixed axis of rotation. |
- A. Angular displacement
- B. Angular momentum
- C. Centripetal acceleration
- D. Angular acceleration
|
| 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 |
the height of the geostationary satellite above the equator is. |
- A. 35000 km
- B. 36000 km
- C. 34000 km
- D. 33000 km
|
| 7 |
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
|
| 8 |
Angular acceleration is produced by |
- A. Power
- B. Torque
- C. Pressure
- D. Force
|
| 9 |
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
|
| 10 |
The relation between the speed and hoop can be written as |
|