1 
The angle between xaxis, yaxis and zaxis is 
 A. 45°
 B. 60°
 C. 75°
 D. 90°

2 
Minimum number of unequal forces whose vector sum can be zero are. 

3 
Maximum number of components of a vector may be 
 A. Infinite
 B. One
 C. two
 D. three

4 
The magnitude of A will be 
 A. Zero
 B. A<sup>2</sup>
 C. 1
 D. A

5 
The resultant of two vectors having magnitude 12 N and 8 N can not be 
 A. 2 N
 B. 20 N
 C. 10 N
 D. 16 N

6 
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

7 
Usually the xaxis is taken as 
 A. Vertical axis
 B. Horizontal axis
 C. +ve axis
 D. ve axis

8 
Dot product of two non zero vectors is zero it angle between them is. 
 A. 30<sup>o</sup>
 B. 60<sup>o</sup>
 C. 45<sup>o</sup>
 D. 90<sup>o</sup>

9 
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

10 
Direction of a vector in space requires 
 A. Two axis
 B. Three axis
 C. Four axis
 D. Both a and b
