To determine which image shows objects exerting less gravitational force on each other, we can use Newton's law of universal gravitation, which states that the gravitational force \( F \) between two objects is proportional to the product of their masses and inversely proportional to the square of the distance between them:
\[ F = G \frac{m_1 m_2}{r^2} \]
Where:
- \( F \) is the gravitational force,
- \( G \) is the gravitational constant,
- \( m_1 \) and \( m_2 \) are the masses of the two objects,
- \( r \) is the distance between the centers of the two objects.
Now, let's analyze the two images:
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Image A: 10 billion kilograms and 1 billion kilograms.
- The product of the masses is \( 10 \times 1 = 10 \) billion kilograms.
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Image B: 10 billion kilograms and 2 billion kilograms.
- The product of the masses is \( 10 \times 2 = 20 \) billion kilograms.
Since Image B has a greater product of masses, it will exert a greater gravitational force on each other compared to Image A.
Therefore, the answer is Image A, which shows the objects exerting less gravitational force on each other.