Hợp lực của hai lực song song cùng chiều là
A. $\displaystyle \left( \begin{array}{l}{{F}_{1}}-{{F}_{2}}=F\\\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{{{d}_{1}}}{{{d}_{2}}}\end{array} \right)$
B. $\displaystyle \left( \begin{array}{l}{{F}_{1}}+{{F}_{2}}=F\\\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{{{d}_{2}}}{{{d}_{1}}}\end{array} \right)$
C. $\displaystyle \left( \begin{array}{l}{{F}_{1}}+{{F}_{2}}=F\\\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{{{d}_{1}}}{{{d}_{2}}}\end{array} \right)$
D. $\displaystyle \left( \begin{array}{l}{{F}_{1}}-{{F}_{2}}=F\\\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{{{d}_{2}}}{{{d}_{1}}}\end{array} \right)$
A. $\displaystyle \left( \begin{array}{l}{{F}_{1}}-{{F}_{2}}=F\\\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{{{d}_{1}}}{{{d}_{2}}}\end{array} \right)$
B. $\displaystyle \left( \begin{array}{l}{{F}_{1}}+{{F}_{2}}=F\\\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{{{d}_{2}}}{{{d}_{1}}}\end{array} \right)$
C. $\displaystyle \left( \begin{array}{l}{{F}_{1}}+{{F}_{2}}=F\\\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{{{d}_{1}}}{{{d}_{2}}}\end{array} \right)$
D. $\displaystyle \left( \begin{array}{l}{{F}_{1}}-{{F}_{2}}=F\\\frac{{{F}_{1}}}{{{F}_{2}}}=\frac{{{d}_{2}}}{{{d}_{1}}}\end{array} \right)$
Loga
Hóa Học lớp 12
