| 1 |
<u>i</u>.<u>(j</u>.<u>k)</u> = |
- A. Meaningless
- B. -1
- C. 1
- D. 2
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| 2 |
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| 3 |
A unit vector is defined as a vector whose magnitude is: |
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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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| 8 |
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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| 9 |
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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| 10 |
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- A. Volume of the tetrahedron
- B. Volume of the parallelepiped
- C. Volume of the triangle
- D. None of these
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