1 |
The direction of null vector can be |
- A. (+) ve
- B. (-) ve
- C. Arbitrary
- D. Zero
|
2 |
A force of 100 N makes an angle of 60o with Y- Axis, its horizontal component is. |
- A. 50 N
- B. 60 N
- C. 70.7 N
- D. 86.6 N
|
3 |
Dot product of two non zero vectors is zero it angle between them is. |
- A. 30<sup>o</sup>
- B. 60<sup>o</sup>
- C. 45<sup>o</sup>
- D. 90<sup>o</sup>
|
4 |
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
|
5 |
Force 12 N and 5 N are add, the resultant con not be |
- A. 13 N
- B. 6 N
- C. 7 N
- D. 17 N
|
6 |
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
|
7 |
The direction of vector in space is specified by |
- A. 1- angle
- B. 2- angle
- C. 3- angle
- D. 4 - angle
|
8 |
Dot product of vector with itself is. |
- A. Zero
- B. 2 A
- C. A<sup>2</sup>
- D. A
|
9 |
If a vector of magnitude 10 N along y-axis then its component along x-axis is |
- A. 0 N
- B. 5 N
- C. 8.66 N
- D. 10 N
|
10 |
Parallel vectors of same magnitude will be |
- A. Equal
- B. Opposite
- C. Both a and b
- D. None of these
|