Lực hấp dẫn:
\(F_{hd}=G\cdot\dfrac{m_1\cdot m_2}{R^2}=G\cdot\dfrac{m^2}{R^2}=6,67\cdot10^{-11}\cdot\dfrac{\left(50000\cdot1000\right)^2}{1000^2}=0,16675N\approx0,167N\)Chọn A
Lực hấp dẫn:
\(F_{hd}=G\cdot\dfrac{m_1\cdot m_2}{R^2}=G\cdot\dfrac{m^2}{R^2}\)
\(F_{hd}=6,67\cdot10^{-11}\cdot\dfrac{\left(50000\cdot1000\right)^2}{1000^2}=0,16675N\approx0,167N\)
Chọn A