Question-Two forces 20kn and 30kn both tensile are acting at an angel 60 degree find magnitude and direction of the resultant force
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F1=20kn
F2=30kn
Theta=60 degree
Magnitude of resultant force,
R=root F1^2+F2^2+2F1F2 cos theta
=root (20)^2+(30)^2+20.30.cos60
=root 400+900+600
Therefore,R=43.58N
F2=30kn
Theta=60 degree
Magnitude of resultant force,
R=root F1^2+F2^2+2F1F2 cos theta
=root (20)^2+(30)^2+20.30.cos60
=root 400+900+600
Therefore,R=43.58N
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