| 1 |
A force of 100 N makes an angle of 60o with Y- Axis, its horizontal component is. |
- A. 50 N
- B. 60 N
- C. 70.7 N
- D. 86.6 N
|
| 2 |
The direction of vector in space is specified by |
- A. 1- angle
- B. 2- angle
- C. 3- angle
- D. 4 - angle
|
| 3 |
Minimum number of unequal forces whose vector sum can be zero are. |
|
| 4 |
The angle between x-axis, y-axis and z-axis is |
- A. 45°
- B. 60°
- C. 75°
- D. 90°
|
| 5 |
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
|
| 6 |
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
|
| 7 |
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>
|
| 8 |
Vector has both of its components are negative lies in |
- A. 1st quadrant
- B. 2nd quadrant
- C. 3rd quadrant
- D. 4th quadrant
|
| 9 |
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
|
| 10 |
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
|
