Ký hiệu hệ ngẫu lực?A. \(\left( {{m_1},{m_2}, \ldots ,{m_n}} \right)\)B. \({{\rm{m}}_1},{\rm{\;}}{{\rm{m}}_2}, \ldots ,{\rm{\;}}{{\rm{m}}_{\rm{n}}}\)C. \(\overrightarrow {{m_1}} ,\overrighta

\(\left( {{m_1},{m_2}, \ldots ,{m_n}} \right)\)

\({{\rm{m}}_1},{\rm{\;}}{{\rm{m}}_2}, \ldots ,{\rm{\;}}{{\rm{m}}_{\rm{n}}}\)_1}}

m1,→ m2,→ ...,mn→

\(\left( {\overrightarrow {{m_1}} ,\overrightarrow {{m_2}} , \ldots ,\overrightarrow {{m_n}} } \right)\)