Question

Two forces 3N and 4N are acting on a point O... If angle of these two forces is 900, find the resultant of these 2 forces​

Answer 1

according to low of pythagoras theorem..consider these two to force as two arm of triangle..

and then

R=

$\sqrt{ {3}^{2} + {4 }^{2} \times 2 \times 3 \times 4 \times cos90 }$

u will get 5N..

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