| 1 |
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
|
| 2 |
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
|
| 3 |
The magnitude of A will be |
- A. Zero
- B. A<sup>2</sup>
- C. 1
- D. A
|
| 4 |
Vector has both of its components are negative lies in |
- A. 1st quadrant
- B. 2nd quadrant
- C. 3rd quadrant
- D. 4th quadrant
|
| 5 |
Which is the example of vector quantity |
- A. Torque
- B. Speed
- C. Density
- D. Work
|
| 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 |
When a vector is multiplied by a (-)ve number its direction |
- A. Remains constant
- B. Reversed
- C. Change by 90°
- D. None of these
|
| 8 |
Maximum number of components of a vector may be |
- A. Infinite
- B. One
- C. two
- D. three
|
| 9 |
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
|
| 10 |
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
|
