| 1 |
Maximum number of components of a vector may be |
- A. Infinite
- B. One
- C. two
- D. three
|
| 2 |
The resultant of two forces 3N and 4 N acting at right angle to each other is. |
- A. 5 N
- B. 6 N
- C. 1 N
- D. 7 N
|
| 3 |
The subtraction of a vector is equivalent to the addition with |
- A. Same direction
- B. Perpendicular direction
- C. Reversed direction
- D. All of these
|
| 4 |
Minimum number of unequal forces whose vector sum can be zero are. |
|
| 5 |
The dot product of two vectors A and B will be zero, if angle between A and B is |
- A. Zero
- B. 30<sup>o</sup>
- C. 90<sup>o</sup>
- D. 180<sup>o</sup>
|
| 6 |
The resultant of two vectors having magnitude 12 N and 8 N can not be |
- A. 2 N
- B. 20 N
- C. 10 N
- D. 16 N
|
| 7 |
If a vector of magnitude 10 N along y-axis then its component along x-axis is |
- A. 0 N
- B. 5 N
- C. 8.66 N
- D. 10 N
|
| 8 |
When a fore of 100 N is acting on an object along x-axis then its vertical component will be. |
- A. 50 N
- B. 0 N
- C. 25 N
- D. 10 N
|
| 9 |
Head to tail rule is used for |
- A. Addition of vectors
- B. Subtraction of vectors
- C. Multiplication of vectors
- D. Division of vectors
|
| 10 |
Dot product of vector with itself is. |
- A. Zero
- B. 2 A
- C. A<sup>2</sup>
- D. A
|