| 1 |
The resultant of two forces 3 N and 4 N acting at right angle to each other is |
- A. 7 N
- B. 5 N
- C. 4 N
- D. 1 N
|
| 2 |
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
|
| 3 |
Vectors have |
- A. Numerical value
- B. Directional
- C. Both a and b
- D. None of these
|
| 4 |
Head to tail rule is used for |
- A. Addition of vectors
- B. Subtraction of vectors
- C. Multiplication of vectors
- D. Division of vectors
|
| 5 |
The direction of null vector can be |
- A. (+) ve
- B. (-) ve
- C. Arbitrary
- D. Zero
|
| 6 |
Two vector can be added by simple arithmetical method when they are at an angle of. |
- A. 120<sup>o</sup>
- B. 90<sup>o</sup>
- C. 0<sup>o</sup>
- D. 45<sup>o</sup>
|
| 7 |
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
|
| 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 |
The angle between x-axis, y-axis and z-axis is |
- A. 45°
- B. 60°
- C. 75°
- D. 90°
|
| 10 |
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
|
