| 1 |
Dot product of vector with itself is. |
- A. Zero
- B. 2 A
- C. A<sup>2</sup>
- D. A
|
| 2 |
The magnitude of A will be |
- A. Zero
- B. A<sup>2</sup>
- C. 1
- D. A
|
| 3 |
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
|
| 4 |
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
|
| 5 |
Two vector can be added by simple arithmetical method when they are at an angle of. |
- A. 120<sup>o</sup>
- B. 90<sup>o</sup>
- C. 0<sup>o</sup>
- D. 45<sup>o</sup>
|
| 6 |
|
|
| 7 |
|
- A. Unit vector
- B. +ve of a vector
- C. Resultant vector
- D. -ve of a vector
|
| 8 |
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
|
| 9 |
The dot product of two vectors A and B will be zero, if angle between A and B is |
- A. Zero
- B. 30<sup>o</sup>
- C. 90<sup>o</sup>
- D. 180<sup>o</sup>
|
| 10 |
What would encourage trade between two countries |
- A. Different tax system
- B. Frontier checks
- C. National currencies
- D. reduced tariffs
|
