| 1 |
Maximum number of components of a vector may be |
- A. Infinite
- B. One
- C. two
- D. three
|
| 2 |
Parallel vectors of same magnitude will be |
- A. Equal
- B. Opposite
- C. Both a and b
- D. None of these
|
| 3 |
Head to tail rule is used for |
- A. Addition of vectors
- B. Subtraction of vectors
- C. Multiplication of vectors
- D. Division of vectors
|
| 4 |
Vector has both of its components are negative lies in |
- A. 1st quadrant
- B. 2nd quadrant
- C. 3rd quadrant
- D. 4th quadrant
|
| 5 |
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>
|
| 6 |
If r = 5 m and f = 4 N are along same direction, them torque is |
- A. 20 Nm
- B. 5 Nm
- C. 10 Nm
- D. Zero
|
| 7 |
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
|
| 8 |
Minimum number of unequal forces whose vector sum can be zero are. |
|
| 9 |
The sum of two or more vectors will be a single vector called |
- A. Component vector
- B. Position vector
- C. -ve vector
- D. Resultant vector
|
| 10 |
When a vector is multiplied by a (-)ve number its direction |
- A. Remains constant
- B. Reversed
- C. Change by 90°
- D. None of these
|