Question

Force f2,f2,f3 are in equilibrium. If f1=3N,f2=4N and f1 and f2 sre perpendicular find the magnitude of f3

Answer 1

Dear Student ,

Three forces are said to be concurrent and also if they are in equilibrium then ,

F⃗ 1+F⃗ 2=F3−→⇒F3−→=3+4=7N

Regards