Multiple choice question XXXV — task. Science CBSE, Class 9.

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1. The earth attracts the moon with a gravitational force of \(10^{20}\ N\). Then the moon attracts the earth with a gravitational force of:

\(10^{-20}\ N\)
\(10^{2}\ N\)
\(10^{20}\ N\)
\(10^{10}\ N\)

2. Value of \(G\) on surface of earth is \(6.67 \times 10^{-11}\) \(Nm^2 kg^{-2}\), then value of \(G\) on surface of Jupiter is:

\(12 \times 6.673 \times 10^{-11}\) \(Nm^2 kg^{-2}\)
\(\frac{6.673}{12} \times 10^{-11}\) \(Nm^2 kg^{-2}\)
\(6.673 \times 10^{-11}\) \(Nm^2 kg^{-2}\)
\(\frac{6.673}{6} \times 10^{-11}\) \(Nm^2 kg^{-2}\)

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