what is the angle between two forces of 2n and 3n having resultant as 4n
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Let the angle is a.
the resultant..
4^2=3^2+2^2+2(2)(3)cosa
or
16=13+12cosa
or
12cosa=3
or
cosa=1/4
or
a=cos^-1(1/4)
the resultant..
4^2=3^2+2^2+2(2)(3)cosa
or
16=13+12cosa
or
12cosa=3
or
cosa=1/4
or
a=cos^-1(1/4)
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