Gravity is a fundamental force of nature that attracts objects with mass or energy towards each other. On Earth, it's the force that keeps us grounded and causes objects to fall towards the ground. It also governs the motion of planets around stars and keeps galaxies together.
Gravity is a force of attraction between all
objects with mass.
The strength of gravity
depends on the mass of the objects and the distance between them. Larger
objects with more mass exert a stronger gravitational pull, and the pull
weakens as the distance between objects increases.
Gravity is a fundamental
force, meaning it's one of the basic forces that govern the
universe. While it feels strong on Earth, gravity is actually the weakest
of the four fundamental forces (the others being electromagnetism, the strong
nuclear force, and the weak nuclear force).
On Earth, gravity pulls
everything towards the centre of the planet. This is why we don't float
away into space and why things fall down when dropped.
Gravity also gives us weight,
as it's the force that pulls us down.
The moon's gravity affects the Earth's tides.
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