The cross product of two vectors is a negative vector when______________?

Related Mcqs:

1. Two vectors A and B are making angle θ with each other. The scalar projection of vector B on vector A is written as____________?

   A. A.B/A
   B. A.B/B
   C. A.cosθ
   D. Both a and b are correct

2. The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is________________?

   A. 30°
   B. 45°
   C. 60°
   D. 180°

3. What is the minimum number of unequal magnitude vectors required to get a null vector?

   A. Zero
   B. Two
   C. Three
   D. None

   Submitted by: Zahid Jagirani

4. The unit vector in the direction of vector A = 2 i^ -2j^ + k^ is_______________?

   A. 2i^ – 2j^ + k^
   B. (2i^ – 2j^ +k^)/9
   C. (2i^ – 2j^ +k^)/3
   D. (2i^ – 2j^ +k^)/5

5. Null vector is a vector which has________________?

   A. Zero magnitude
   B. No specified direction
   C. Both A and B are correct
   D. Both A and B are not correct

6. The direction of the vector product is given by______________?

   A. Head to tail rule
   B. Right-hand rule
   C. Left-hand rule
   D. Triangular rule

7. Two vectors are A = 3i^+2j^ -k^& B = 3i^-2j^ +k^ , then_____________?

   A. B is anti-parallel to A
   B. B is a negative vector of A
   C. B has a negative magnitude
   D. B is perpendicular to A

8. If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along_____________?

   A. West
   B. North
   C. Down
   D. Up

9. An angle between two vectors A and B can be determined by_____________?

   A. Their dot product
   B. Their cross product
   C. Head to tail rule
   D. Right-hand rule

10. 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

    Submitted by: Zahid Jagirani