Question

Write the formula of universal law of gravitation

Answer 1

Answer✍️✍️

• The Law of Universal Gravitation states that the gravitational force between two points of mass is proportional to the magnitudes of their masses and the inverse-square of their separation
• In equation form, this is F=GmMr2 F = G mM r 2 , where F is the magnitude of the gravitational force. G is the gravitational constant, given by G = 6.673 × 10−11 N·m2/kg2.

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Answer-By@Amani11

Answer 2

Universal law of gravitation is F = G Mm/R²

Explanation:

• The Universal Law of Gravitation was given by Newton and gives the explanation that any two bodies in a space pull each other towards themselves with a force of gravitation.

• The universal law of Gravitation states that the force of gravitation between any two bodies is directly proportional to the product of their ,masses and inversely proportional to the square of distance between their centers.

                  Mathematically,  F ∝ m₁×m₂

                                              F  ∝ $\frac{1}{r^{2} }$  

                                               F  ∝ $\frac{m_{1} m_{2} }{r^{2} }$  

                                               $F=G\frac{m_{1} m_{2} }{r^{2} }$

        where, G = Universal gravitational constant

                   G  = 6.67 × 10⁻³⁴ Nm²/kg²

• The universal law of gravitation is applicable to any two bodies taken into consideration . For example, moon revolving round the earth is solely because of the force of gravitation of earth that pulls moon towards itself.

• Another example is we being able to stand firmly on the ground which might not have been possible without gravity as it happens in space.

• Formation of tides, Roots of plants growing downwards, fruits falling from the tree are all examples of Law of Gravitation.