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The magnitude of the gravitational force between two particles 0.10m apart...

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Question 716
A
40.0N
B
20.0N
C
5.0N
D
2.5N
Explanation
\(g_1 = \frac{Gm_1m_2}{r^2_1}\)

\(m_1m_2 = \frac{gr^2_1}{G}\)

\(g_2 = \frac{Ggr^2_1}{Gr^2_2} = \frac{10 \times 0.1^2}{0.2^2}\)

= 2.5N

Correct option: D

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