A body on the surface of the earth attracts the earth with a force equal to its weight.

Explanation

**Step-by-Step Solution:**

1. **Understanding Weight**: The weight of a body is defined as the force exerted on it due to gravity. It is calculated using the formula:
\[ \text{Weight} (W) = m \cdot g \]
where \( m \) is the mass of the body and \( g \) is the acceleration due to gravity (approximately \( 9.8 \, \text{m/s}^2 \) on the surface of the Earth).

2. **Action and Reaction Forces**: According to Newton's Third Law of Motion, for every action, there is an equal and opposite reaction. This means that when the Earth exerts a gravitational force on the body (which we measure as weight), the body also exerts an equal force back on the Earth.

3. **Force Equalization**: The force that the Earth exerts on the body (the weight of the body) is equal to the force that the body exerts on the Earth. Therefore, if a body has a weight \( W \), it attracts the Earth with a force \( W \) as well.

4. **Conclusion**: Thus, we conclude that a body on the surface of the Earth attracts the Earth with a force equal to its weight. This is a direct consequence of the gravitational interaction between the body and the Earth.

**Final Statement**: The body exerts a force equal to its weight on the Earth, and in turn, the Earth exerts an equal force on the body.

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