1 
Dot product of vector with itself is. 
 A. Zero
 B. 2 A
 C. A<sup>2</sup>
 D. A

2 
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>

3 
The sum of two or more vectors will be a single vector called 
 A. Component vector
 B. Position vector
 C. ve vector
 D. Resultant vector

4 
Vector has both of its components are negative lies in 
 A. 1st quadrant
 B. 2nd quadrant
 C. 3rd quadrant
 D. 4th quadrant

5 
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

6 
The direction of vector in space is specified by 
 A. 1 angle
 B. 2 angle
 C. 3 angle
 D. 4  angle

7 


8 
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

9 
Direction of a vector in space requires 
 A. Two axis
 B. Three axis
 C. Four axis
 D. Both a and b

10 
A force of 100 N makes on angle of 60<sup>o</sup>with y axis, its horizontal component is. 
 A. 50 N
 B. 60 N
 C. 70.7 N
 D. 86.6 N
