Newton's law of gravitation is also called inverse - square law. Why ?

Explanation

### Step-by-Step Solution:

1. **Understanding Newton's Law of Gravitation**:
Newton's Law of Gravitation states that every point mass attracts every other point mass with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

2. **Mathematical Representation**:
The law can be mathematically expressed as:
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