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What information is needed to calculate the gravitational force of an object? (1 point)

1. the mass of the two objects

2. the mass of the object and the planet's gravitational acceleration

3. the mass of the object subtracted from the distance between the object and the planet's core

4. the distance between the two objects

1 answer

To calculate the gravitational force between two objects, you need the following information:

  1. The mass of the two objects (m1 and m2).
  2. The distance between the centers of the two objects (r).

So, the correct choice from your options is:

  1. the mass of the two objects.

Additionally, the gravitational force can be calculated using the formula:

\[ F = G \frac{m_1 m_2}{r^2} \]

where \( F \) is the gravitational force, \( G \) is the gravitational constant, \( m_1 \) and \( m_2 \) are the masses of the two objects, and \( r \) is the distance between their centers.