| 1 |
Maximum number of components of a vector may be |
- A. Infinite
- B. One
- C. two
- D. three
|
| 2 |
The resultant of two vectors having magnitude 12 N and 8 N can not be |
- A. 2 N
- B. 20 N
- C. 10 N
- D. 16 N
|
| 3 |
The resultant of two forces 3 N and 4 N acting at right angle to each other is |
- A. 7 N
- B. 5 N
- C. 4 N
- D. 1 N
|
| 4 |
A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is. |
- A. 5 N
- B. 8.66 N
- C. 10 N
- D. Zero
|
| 5 |
A force of 100 N makes on angle of 60<sup>o</sup>with y axis, its horizontal component is. |
- A. 50 N
- B. 60 N
- C. 70.7 N
- D. 86.6 N
|
| 6 |
The angle between x-axis, y-axis and z-axis is |
- A. 45°
- B. 60°
- C. 75°
- D. 90°
|
| 7 |
The resultant of two vectors having magnitude 10 N and 8 N Can not be |
- A. 2 N
- B. 9 N
- C. 18 N
- D. 20 N
|
| 8 |
The direction of null vector can be |
- A. (+) ve
- B. (-) ve
- C. Arbitrary
- D. Zero
|
| 9 |
If r = 5 m and f = 4 N are along same direction, them torque is |
- A. 20 Nm
- B. 5 Nm
- C. 10 Nm
- D. Zero
|
| 10 |
The resultant of two forces 30 N and 40 N acting parallel to each other is. |
- A. 30 N
- B. 40 N
- C. 70 N
- D. 10 N
|