| 1 |
Direction of a vector in space requires |
- A. Two axis
- B. Three axis
- C. Four axis
- D. Both a and b
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| 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
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| 3 |
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| 4 |
The angle between x-axis, y-axis and z-axis is |
- A. 45°
- B. 60°
- C. 75°
- D. 90°
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| 5 |
Vector has both of its components are negative lies in |
- A. 1st quadrant
- B. 2nd quadrant
- C. 3rd quadrant
- D. 4th quadrant
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| 6 |
Usually the x-axis is taken as |
- A. Vertical axis
- B. Horizontal axis
- C. +ve axis
- D. -ve axis
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| 7 |
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
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| 8 |
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
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| 9 |
Force 12 N and 5 N are add, the resultant con not be |
- A. 13 N
- B. 6 N
- C. 7 N
- D. 17 N
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| 10 |
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
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