Question

The universal law of gravitation was propounded by?
1. Newton
2. Galileo
3. Kepler
4. Copernicus

Answer 1

Correct Answer - Option 1 : Newton

The correct answer is Newton.

• Universal Law of gravitation was formulated by Sir Issac Newton. 
• Law of Universal Gravitation: It states that all objects attract each other with a force that is proportional to the masses of two objects and inversely proportional to the square of the distance that separates their centres.

• It is given mathematically as follows:

  \(F = \frac{Gm_1m_2}{R^2}\)

  Where m1 and m2 are the mass of two objects, G is the gravitational constant and R is the distance between their centres.

• The gravitational constant G establishes a relationship between gravitational force, mass, and distance.
  • The value of G is 6.67 × 10-11 N kg-2 m2.