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part a what is the gravitational force acting on a person due to anothe…

Question

part a
what is the gravitational force acting on a person due to another person standing 7 meters away? assume each individual has 62 kg mass.
5.2×10^{-8}n
3.7×10^{-8}n
8.4×10^{-11}n
5.9×10^{-10}n
770 n

Explanation:

Step1: 写出万有引力公式

万有引力公式为\(F = G\frac{m_1m_2}{r^{2}}\),其中\(G = 6.67\times10^{-11}\text{N}\cdot\text{m}^{2}/\text{kg}^{2}\)(引力常量),\(m_1 = m_2=62\text{kg}\)(两人质量),\(r = 7\text{m}\)(两人距离)。

Step2: 代入数据计算

将数值代入公式可得:

$$ LATEXBLOCK0 $$

Answer:

\(5.2\times 10^{-9}\text{N}\) ,即选项 \(5.2\times10^{-9}\text{N}\) 。