Questions
Given a + b + c + d = 0 which of the following statement is incorrect
a
a,b,c and d must each be a null vector.
b
The magnitude of (a+c) equals the magnitude of (b+d)
c
The magnitude of a can never be greater than the sum of the magnitudes of b, c and d.
d
b + c must lie in the plane of a and b if a and d are not collinear, and in the line of a and d, if they are collinear
detailed solution
Correct option is A
(a) Incorrect : For It is not necessary that (b) correct : As (c) correct : (d) correct : AsTalk to our academic expert!
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(N-1) identical forces of magnitude F act simultaneously on a particle each making an angle of with the preceding one, the resultant is
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