| 1 |
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>
|
| 2 |
A direction of torque is |
- A. Along the position vector r
- B. Perpendicular to both r and f
- C. Along the direction of force F
- D. Opposite to the direction of r
|
| 3 |
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>
|
| 4 |
The components of a vector which are perpendicular to each other are called |
- A. Horizontal components
- B. Vertical components
- C. Rectangular components
- D. All of these
|
| 5 |
Head to tail rule is used for |
- A. Addition of vectors
- B. Subtraction of vectors
- C. Multiplication of vectors
- D. Division of vectors
|
| 6 |
Parallel vectors of same magnitude will be |
- A. Equal
- B. Opposite
- C. Both a and b
- D. None of these
|
| 7 |
Which is the example of vector quantity |
- A. Torque
- B. Speed
- C. Density
- D. Work
|
| 8 |
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
|
| 9 |
What would encourage trade between two countries |
- A. Different tax system
- B. Frontier checks
- C. National currencies
- D. reduced tariffs
|
| 10 |
Vectors have |
- A. Numerical value
- B. Directional
- C. Both a and b
- D. None of these
|
