Let the angle between two non zero vectors A(vector) and B(vector ) be 120(degrees) and its resultant be C(vector). Then which of the following is(are) correct?
(a)C must be equal to |A-B|
(b)C must be less than |A-B|
(c) C must be greater than |A-B|
(d) C may be equal to |A-B|
(a)C must be equal to |A-B|
(b)C must be less than |A-B|
(c) C must be greater than |A-B|
(d) C may be equal to |A-B|
1 Answer
Jun 12, 2018
Option (b)
Explanation:
# C^2 = (bbA + bbB)*(bbA + bbB)#
#abs(bbA - bbB)^2 #