Question

Difference between gravitational constant and gravitational acceleration .​

Answer 1

Hi there,

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pleas read with patience....

Constants of...any kind are obtained only by experimental analysis of proportionality....

Issac newton

he found that the gravitational force of attraction was proportional to the product of the masses and inversely proportional to the square of the distance between the masses the force is measured for....

in simple words...

we find a proportion(meaning-a relation between two or more quantities which change together)

lets take an example..

say.... gravitation...

Issac Newton conducted experiments and he found out the there exists a force of attraction between any two masses....

and here is where (proportionality comes into picture)

"Proportionality":meaning.... relation between terms...

mathematically

F ∝$\frac{m1.m2}{r^{2} }$

and in order to satisfy this completed proportionality as no other factor is influencing the force of gravity only a constant is needed..

and so... by multiple experiments....

the universal gravitational constant is found to be G

G=6.67x10^(-11) m^3 kg^-1 s^-2

which converts the proportionality to an equality...

F = G$\frac{m1.m2}{r^{2} }$

now we know what the constant is....

and as a force is always a product of mass and acceleration..

we can calculate force for either mass m1 or m2..

say...

a= acceleration

m1=mass1

m2=mass2

G=Universal gravitational constant

r= distance between m1 and m2

we get acceleration due to gravity a=g when we simplify

m1 x a = G$\frac{m1.m2}{r^{2} }$

a= G m2/r²

and g = G m2/r²

and so that is acceleration due to gravity... in terms of gravitational constant..

and that is why for a force they simplify force on m1 due to m2 as

F(m1)= m1 x G

and it satifies the real equation///

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Answer 2

Answer:What is the Gravitational Force?

The gravitational force is a force that attracts any two objects with mass. We call the gravitational force attractive because it always tries to pull masses together, it never pushes them apart. In fact, every object, including you, is pulling on every other object in the entire universe! This is called Newton's Universal Law of Gravitation.

define gravitation

Gravitation is the attractive force existing between any two objects that have mass.

Explanation: