| 1 |
Usually the x-axis is taken as |
- A. Vertical axis
- B. Horizontal axis
- C. +ve axis
- D. -ve axis
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| 2 |
A force of 100 N makes on angle of 60<sup>o</sup>with y axis, its horizontal component is. |
- A. 50 N
- B. 60 N
- C. 70.7 N
- D. 86.6 N
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| 3 |
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| 4 |
The direction of null vector can be |
- A. (+) ve
- B. (-) ve
- C. Arbitrary
- D. Zero
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| 5 |
Vector has both of its components are negative lies in |
- A. 1st quadrant
- B. 2nd quadrant
- C. 3rd quadrant
- D. 4th quadrant
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| 6 |
A vector is denoted by |
- A. Light face
- B. Bold face
- C. Both a and b
- D. None of these
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| 7 |
Dot product of two non zero vectors is zero it angle between them is. |
- A. 30<sup>o</sup>
- B. 60<sup>o</sup>
- C. 45<sup>o</sup>
- D. 90<sup>o</sup>
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| 8 |
The angle between x-axis, y-axis and z-axis is |
- A. 45°
- B. 60°
- C. 75°
- D. 90°
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| 9 |
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
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| 10 |
Which is the example of vector quantity |
- A. Torque
- B. Speed
- C. Density
- D. Work
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