Question

1. Define the following.
a. Gravity​

Answer 1

${\tt{\red{\underline{\underline{\huge{Answer:-}}}}}}$

The answer is gravity: an invisible force that pulls objects toward each other. Earth's gravity is what keeps you on the ground and what makes things fall. An animation of gravity at work. Albert Einstein described gravity as a curve in space that wraps around an object—such as a star or a planet.

Answer 2

Answer:

gravity is an ATTRACTIVE FORCE of two things in the universe which may atom also but it's fail on atomic level cause it's formula which gave by Newton F=m1m2/r² wrongly calculates the force b/w two atoms. it's calculates too poor force but exactly that's was so massive.