Question

why gravitation occur ?​

Answer 1

Answer:

Earth's gravity is what keeps you on the ground and what makes things fall. ... So, the closer objects are to each other, the stronger their gravitational pull is. Earth's gravity comes from all its mass. All its mass makes a combined gravitational pull on all the mass in your body.

Explanation:

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Answer 2

$\sf\red{Earth's \: gravity \: is \: what \: keeps \: you}\\\sf\red{ on \: the \: ground \: and \: what \: makes \: things \: fall.}\\\sf\red{ So, \: the \: closer \: objects \: are \: to \: each \: other,}\\\sf\red{ the \: stronger \: their \: gravitational \: pull \: is.}$