| 1 |
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
|
| 2 |
A direction of torque is |
- A. Along the position vector r
- B. Perpendicular to both r and f
- C. Along the direction of force F
- D. Opposite to the direction of r
|
| 3 |
Dot product of vector with itself is. |
- A. Zero
- B. 2 A
- C. A<sup>2</sup>
- D. A
|
| 4 |
Minimum number of unequal forces whose vector sum can be zero are. |
|
| 5 |
The force and torque are analogous to |
- A. Velocity
- B. Mass and weight
- C. Moment of Inertia
- D. Each other
|
| 6 |
The angle between x-axis, y-axis and z-axis is |
- A. 45°
- B. 60°
- C. 75°
- D. 90°
|
| 7 |
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
|
| 8 |
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>
|
| 9 |
Which is the example of vector quantity |
- A. Torque
- B. Speed
- C. Density
- D. Work
|
| 10 |
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
|
