| 1 |
|
- A. Unit vector
- B. Null vector
- C. Free vector
- D. None of these
|
| 2 |
|
- A. 60°
- B. 90°
- C. 30°
- D. 45°
|
| 3 |
|
|
| 4 |
|
|
| 5 |
Which are the following triples can be direction angles of a single vector: |
- A. 45°,45°,60°
- B. 30°,45°,60°
- C. 45°,60°,60°
- D. 30°,30°,30°
|
| 6 |
|
- A. [0]
- B. [0, 0]
- C. [0, 0, 0]
- D. None of these
|
| 7 |
|
|
| 8 |
The law of parallelogram of addition was used by Aristotle to describe the combined action of : |
- A. One force
- B. Two forces
- C. Three forces
- D. Four forces
|
| 9 |
Which of the following is not a vector quantity ? |
- A. Weight
- B. Mass
- C. Force
- D. Velocity
|
| 10 |
|
|
