Gravity is a natural phenomenon that attracts objects to each other. The important factor, that causes the mass movement, is gravity,
Gravity is also called gravitation. It is a natural phenomenon in which all things with mass and energy are attracted to each other.
This included the stars, planets, galaxy, and surprisingly it also included the light.
As coming towards earth, gravity provides weight to physical objects.
Gravity is the main force that is responsible for mass movement. The component of gravity mainly helps in holding the objects.
Therefore, the correct option is gravity.
Learn more about gravity, refer to:
https://brainly.com/question/1479537
