1.

Which of the following sets of concurrent forces may be in equilibrium                                   [KCET 2003]

A.             \[{{F}_{1}}=3N,\,\,{{F}_{2}}=5N,\,\,{{F}_{3}}=9N\]
B.             \[{{F}_{1}}=3N,\,\,{{F}_{2}}=5N,\,\,{{F}_{3}}=1N\]
C.             \[{{F}_{1}}=3N,\,{{F}_{2}}=5N,\,{{F}_{3}}=15N\]
D.             \[{{F}_{1}}=3N,\,\,{{F}_{2}}=5N,\,\,{{F}_{3}}=6N\]
Answer» E.


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