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3-1.Vectors
easy
નીચે આપેલા કયા બળોનું પરિણામી બળ $2\,N$ ના થાય?
A
$2\, N$ અને $2 \,N$
B
$1\, N$ અને $1\, N$
C
$1\, N$ અને $3\, N$
D
$1\, N$ અને $4\, N$
Solution
(d) If two vectors $A$ and $B$ are given then Range of their resultant can be written as $(A – B) \le R \le (A + B)$.
i.e. ${R_{\max }} = A + B$ and ${R_{\min }} = A – B$
If $B = 1$ and $A = 4$ then their resultant will lies in between $3\,N$ and $5\,N$. It can never be $2\,N$.
Standard 11
Physics