Question

2.
If two vectors are parallel to each other, then the magnitude of cross product of two vectors is
a) 0
b) 1
c) 2
d) undefined
​

Answer 1

Answer:

0

Explanation:

A X B  X--> CROSS PRODUCT

=ABsina  a is the angle between vectors A and B

if both vectors are parallel then a = 0 degree or 180 degree

in both the cases sina= 0

therefore cross product = 0

Answer 2

Answer:

a) 0

Explanation:

The vector product of two vectors Ā× B = AB sinØ

When two vectors are parallel, Ø = 0°

Therefore AB sin0° = AB×0 = 0