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Which of the following sets of concurrent force may be in equilibrium?A. `F_(1)=3N,F_(2)=5N,F_(3)=1N`B. `F_(1)=3N, F_(2)=5N, F_(3)=9N`C. `F_(1)=3N.F_(2),F_(3)=6N`D. `F_(1)=3N,F_(2)=5N, F_(3)=15N` |
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Answer» Correct Answer - C `F_(1)-F_(2)le|vecF_(1)+vecF_(2)|leF_(1)+F_(2)` `F_(3)` must lie between `F_(1)-F_(2)leF_(3)leF_(1)+F_(2)` to produce zero resultant. |
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