Addition of vectors obeys_____ law:
A. Commutative Law
B. Associative Law
C. Distributive Law
D. All of these
Which of the following group of forces can produce equilibrium:
A. 12N, 5N, 20N
B. 4N ,2N, 10N
C. 10N, 18N
D. 12N, 5N, 15N
Angle between the rectangular components of a vector is:
A. Zero
B. 30°
C. 45°
D. 90
What is the minimum number of unequal magnitude vectors required to get a null vector:
A. Zero
B. Two
C. Three
D. None
Which of the following pair of forces can produce a resultant of 8N:
A. 2N & 5N
B. 20N & 2N
C. 3N & 6N
D. 4N & 1N
Which of the following can not be the resultant of two vectors having magnitude 10N and 15N:
A. 18N
B. 22N
C. 25N
D. 30N
The vector A= 2i^+2j^ makes_______ angle with x-axis:
A. 30°
B. 45°
C. 60°
D. 90°
For what value of “a” , the magnitude of a vector A= 2i^+j^+ak^ should be 3:
A. -2
B. 2
C. 4
D. Both A & B
A vector can have maximum______ components in space:
A. Zero
B. Two
C. Three
D. Infinite
A vector can have maximum_____ components in a plane:
A. Zero
B. Two
C. Three
D. Infinite
