Question

what is gravitational force And how it work

Answer 1

the object in space exerts a gravitational pull on every other, and so the gravity influences the paths taken by everything traveling through space,. its the glue that holds together the entire galaxies,. it keeps planets in orbit,.it makes humans to use satellites and go to and return from moon.  


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Answer 2

the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface