| 1 |
The resultant of two forces 30 N and 40 N acting parallel to each other is. |
- A. 30 N
- B. 40 N
- C. 70 N
- D. 10 N
|
| 2 |
The resultant of two vectors having magnitude 10 N and 8 N Can not be |
- A. 2 N
- B. 9 N
- C. 18 N
- D. 20 N
|
| 3 |
The components of a vector which are perpendicular to each other are called |
- A. Horizontal components
- B. Vertical components
- C. Rectangular components
- D. All of these
|
| 4 |
When a vector is multiplied by a (-)ve number its direction |
- A. Remains constant
- B. Reversed
- C. Change by 90°
- D. None of these
|
| 5 |
A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is. |
- A. 5 N
- B. 8.66 N
- C. 10 N
- D. Zero
|
| 6 |
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
|
| 7 |
Vectors have |
- A. Numerical value
- B. Directional
- C. Both a and b
- D. None of these
|
| 8 |
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
|
| 9 |
Parallel vectors of same magnitude will be |
- A. Equal
- B. Opposite
- C. Both a and b
- D. None of these
|
| 10 |
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>
|
