| 1 |
An elevator is moving up with an acceleration equal to 'g' An apparent weight of the body in an elevator is. |
- A. Zero
- B. Equal to real weight
- C. 2 mg
- D. 3 mg
|
| 2 |
In rotational motion the analogous of mass is |
- A. Angular acceleration
- B. Torque
- C. Moment of inertia
- D. Angular momentum
|
| 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 |
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
|
| 5 |
If a body is moving in the counter clockwise direction the direction of angular velocity will be |
- A. Toward the centre
- B. Away from the centre
- C. along the linear velocity
- D. Perpendicular to both radius and linear velocity
|
| 6 |
The largest satellite system is managed by |
- A. 116 countries
- B. 126 countries
- C. 136 countries
- D. 140 countries
|
| 7 |
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
|
| 8 |
Angular velocity determines, How fast or, How slow a body is |
- A. Accelerating
- B. Vibrating
- C. Rotating
- D. Oscillating
|
| 9 |
Moment of inertia is measure din |
- A. Kg m2
- B. Kg m-2
- C. Rad s-1
- D. Joule second
|
| 10 |
The direction of angular velocity is determined. |
- A. Left hands rule
- B. Head to tail rule
- C. Right hand rule
- D. General rule
|