Respuesta :

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Universal Gravitation Constant is just a constant. Similarly, like the constant we use to change different currencies. To change a dollar into Euro, you have to multiply a certain number to it. This is called a constant.

The more appropriate reason can be to get an accurate value. Without the constant, you wont get a correct value for the gravitational force acting on an object.

Explanation : According to the law, it says that F ∝ Mm ÷ R²

Where :

  • F = Gravitational force
  • M = Mass of the first body
  • m = mass of the second body
  • R = Distance between the 2 bodies

For calculating the gravitational force (F), we must have an equation. According to the law, we are ain't getting any equation. Hence, we must convert it by putting a constant.

A constant is any value that is fixed, and it won't change under any circumstance. And in this case, the value of the gravitational constant (G) is 6.67 x 10⁻¹¹.

Now, here comes the final equation :  F = GMm ÷ R²

Where :

  • F = Gravitational force
  • G = Gravitational constant (6.67 x 10⁻¹¹)
  • M = Mass of the first body
  • m = Mass of the second body
  • R = Distance between the 2 bodies

Hence, the main purpose of the universal gravitational constant (G) is to have an equation, which is F = GMm ÷ R².

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