| 1 |
Which of the following is a vector quantity ? |
- A. Work
- B. Temperature
- C. Distance
- D. Displacement
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| 2 |
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°
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| 3 |
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
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| 4 |
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| 5 |
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- A. [0]
- B. [0, 0]
- C. [0, 0, 0]
- D. None of these
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| 6 |
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| 7 |
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- A. Position vector of O
- B. Position vector of P
- C. Unit vector
- D. Null vector
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| 8 |
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- A. 60°
- B. 90°
- C. 30°
- D. 45°
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| 9 |
Zero vector is perpendicular to: |
- A. Every vector
- B. Unit vector only
- C. Position vector only
- D. Not any vector
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| 10 |
A null vector is defined as a vector whose magnitude is: |
- A. 1
- B. 2
- C. 0
- D. None of these
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