Law of Universal Gravity Hi everyone! Today we're going to talk about the Law of Universal Gravity. This law states that every object in the universe is attracted to every other object with a force proportional to their masses and inversely proportional to the square of the distance between them. This means that the more massive an object is, the stronger its gravitational pull. And the further apart two objects are, the weaker their gravitational attraction. The law was first described by Sir Isaac Newton in 1687 and has been a cornerstone of our understanding of physics ever since. It explains a wide range of phenomena, from the orbits of the planets around the sun to the behavior of falling objects here on Earth. One of the key predictions of the law of universal gravitation is that all objects fall at the same rate, regardless of their mass. This idea was famously tested by dropping objects of different masses from the Leaning Tower of Pisa and finding that they hit the ground at the same time. So, how does this law actually work? Essentially, every object generates a gravitational field around itself. When two objects are close together, they both feel the gravitational pull of the other. The strength of this gravitational pull is determined by two factors: the mass of the objects and the distance between them. As the distance increases, the force decreases. And as the mass of one of the objects increases, the force increases. It's important to note that the law of universal gravitation applies to everything in the universe, not just planets and stars. It even affects everyday objects like apples falling from trees and objects moving on the surface of the Earth. So there you have it, the law of universal gravitation! A simple yet powerful idea that has had a profound impact on our understanding of the universe. Thanks for watching! Thanks for watching!