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Earth’s Gravitational force is the force pulls

(attracts) objects toward the “Earth’s center”.
It is the force keeps all objects on the earth’s surface.

Earth’s Gravitational field is the space in which the

Earth’s gravitational force affects objects with an
attraction force toward the Earth’s center.

Earth’s Gravitational field lines represent

Earth’s gravitational force.

Factors affecting gravity (between 2 objects):

1- Mass Direct relation

When the mass of an object increases,
its gravitational force (gravity) increases.

2- Distance Opposite relation

When the distance between object and earth’s center increases,

the gravitational force (gravity) decreases.

? Gravitational force is a mutual force between 2 objects, acting on each
by equal magnitude but in opposite directions.

First Term 138