MCQ
Which of the following sets of concurrent forces may be in equilibrium
- A$F_1=3 N, F_2=5 N, F_3=9 N$
- B$F_1=3 N, F_2=5 N, F_3=1 N$
- C$F_1=3 N, F_2=5 N, F_3=15 N$
- ✓$F_1=3 N, F_2=5 N, F_3=6 N$
✓
Answer
Correct option: D.
$F_1=3 N, F_2=5 N, F_3=6 N$
(d) Range of resultant of $F_1$ and $F_2$ varies between $(3+5)=8\mathrm{~N$and((5-3)=2 N$. lt means for some value of angle $(\theta)$, resultant 6 canbeobtained.So,theresultant of $3 N, 5 N$ and $6 N$ may be zero and the forces may be in equilibrium.
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