Gravity is a force between any two objects with mass, such as the Earth and the Sun. Gravity increases as the mass of the objects increases and decreases with distance. It is this force that keeps objects in orbit.
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GRAVITATIONAL FORCE Gravity is a force between any two objects with mass, such as the Earth and the Sun. Gravity increases as the mass of the objects increases and decreases with distance. It is this force that keeps objects in orbit.