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Which of the following sets of concurren...

Which of the following sets of concurrent force may be in equilibrium?

A

`F_1=3`,`F_2=5N`,`F_3=9N`

B

`F_1=3N`,`F_2=5N`,`F_3=1N`

C

`F_1=3N`,`F_2=5N`,`F_3=15N`

D

`F_1=3N`,`F_2=5N`,`F_3=6N`

Text Solution

Verified by Experts

The correct Answer is:
D

Range of resultant of `F_1` and `F_2` varies between `(3+5)=8N` and `(5-3)=2N`. It means for some value of angle `(theta)`, resultant 6 can be obtained. So, the resultant of 3N,5N and 6N may be zero and the forces may be in equilibrium.
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