| 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 |
Direction of a vector in space requires |
- A. Two axis
- B. Three axis
- C. Four axis
- D. Both a and b
|
| 3 |
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
|
| 4 |
Which is the example of vector quantity |
- A. Torque
- B. Speed
- C. Density
- D. Work
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| 5 |
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
|
| 6 |
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
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| 7 |
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
|
| 8 |
Name the quantity which is a vector. |
- A. Speed
- B. Force
- C. Temperature
- D. Density
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| 9 |
When a vector is multiplied by a (-)ve number its direction |
- A. Remains constant
- B. Reversed
- C. Change by 90°
- D. None of these
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| 10 |
Parallel vectors of same magnitude will be |
- A. Equal
- B. Opposite
- C. Both a and b
- D. None of these
|