Community Question 1(Esmerelda)

What is Gravity?

Gravity is a fundamental force of nature that causes objects with mass to attract one another. It is what gives weight to physical objects and governs the motion of planets, stars, galaxies, and even light. Gravity is responsible for phenomena such as:

1. The orbits of planets around the sun.
2. The formation of tides due to the gravitational pull of the moon and sun on Earth’s oceans.
3. The falling of objects to the ground when dropped.

Isaac Newton first formulated a comprehensive theory of gravity in the 17th century, known as Newton’s law of universal gravitation. According to this law, every mass attracts every other mass with a force proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

In the 20th century, Albert Einstein’s theory of general relativity provided a deeper understanding of gravity. Einstein described gravity not as a force but as a curvature of spacetime caused by the presence of mass and energy. This theory has been confirmed by numerous experiments and observations, such as the bending of light around massive objects (gravitational lensing) and the precise orbit of planets.

To summarise.

Gravity is a fundamental force that attracts objects with mass to one another. It gives weight to objects and governs the motion of celestial bodies like planets and stars. Which was then proven to exist by Sir- Isaac Newton (my favourite physicist) and later by Albert Einstein.

We know Gravity exists because of the orbit of the Moon on Earth and if Gravity did not exist we’d all be floating by now.

Thanks To Esmerelda for the question

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