What is the expression for universal law of gravitation
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Here is your answer,
Every body in this universe attracts each other with a force whose magnitude is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres. This force acts along the line joining the centres of two bodies.
According to Newton's Law of Motion:-
F α m₁m₂ ----------------> (1)
and F α 1/r² ---------------> (2)
From equation (1) and (2)
F α m₁m₂/r²
Gravitational force, F = G m₁m₂/r² ------------------->(3)
where G is constant of proportionality known as gravitational constant. It is also known as universal gravitational constant.
In CGS system, the value of G is 6.67×10⁻⁸ dyne cm² g⁻² and its SI value is 6.67×10 Nm² kg⁻²
Hope it helps you !
Hope it helps you !
Here is your answer,
Every body in this universe attracts each other with a force whose magnitude is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centres. This force acts along the line joining the centres of two bodies.
According to Newton's Law of Motion:-
F α m₁m₂ ----------------> (1)
and F α 1/r² ---------------> (2)
From equation (1) and (2)
F α m₁m₂/r²
Gravitational force, F = G m₁m₂/r² ------------------->(3)
where G is constant of proportionality known as gravitational constant. It is also known as universal gravitational constant.
In CGS system, the value of G is 6.67×10⁻⁸ dyne cm² g⁻² and its SI value is 6.67×10 Nm² kg⁻²
Hope it helps you !
Hope it helps you !
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