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3-1.Vectors
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સમાન મૂલ્યો ધરાવતાં ત્રણ સદિશો સમતોલનમાં હોય,તો તેમની વચ્ચેનો ખૂણો કેટલો હશે?
A
$120^° $
B
$60^° $
C
$30^°$
D
$45^°$
Solution
(a) In $N$ forces of equal magnitude works on a single point and their resultant is zero then angle between any two forces is given
$\theta = \frac{{360}}{N}$$ = \frac{{360}}{3} = 120^\circ $
If these three vectors are represented by three sides of triangle then they form equilateral triangle
Standard 11
Physics
