What is the Difference Between Einstein and Newton Gravity

Thekey difference between Einstein and Newton gravityis that Einstein described that gravity is a curvature in a 4-dimensional space-time fabric proportional to object masses, whereas Newton described gravity as a force expressed mutually between two objects in relation to their masses.

爱因斯坦重力和牛顿重力是物理化学中非常重要的概念，描述了粒子与质量之间的相互作用。

CONTENTS

1.Overview and Key Difference
2。What is Einstein Gravity
3.What is Newton Gravity
4.爱因斯坦重力与牛顿重力in Tabular Form
6.概括

What is Einstein Gravity?

Einstein gravity is described by thegeneral relativityor general theory of relativity, which is a geometric theory of gravitation published by Albert Einstein in 1915. It is the current description of gravitation in modern physics. According to this theory, it generalizesspecial relativityand also refines Newton’s law of universal gravitation. Therefore, it provides a unified description of gravity involving the geometric property of space and time (4D spacetime).

通常，在考虑时间的流逝，空间的几何形状，自由落体物体的运动和光的传播时，对一般相对性的某些预测与经典物理的预测显着不同。更重要的是，在直到今天进行的所有观察结果和实验中都证实了与经典物理相关的一般相对性的这些预测。但是，一般相对论是与实验数据一致的最简单理论，尽管它不是唯一的相对论重力理论。也有许多未解决的问题。

What is Newton Gravity?

Newton gravity states that every particle tends to attract every other particle in the universe with force. This force is directly proportional to the product of the masses of the two particles attracting each other. It is inversely proportional to the square of the distance between the centers of these masses. We call the publication of this theory the first great unification because it marks the unification of the previous theory of gravity on Earth along with the known astronomical behaviors.

Newton’s law of universal gravitation is a general physical law that originated from empirical observations regarding the inductive reasoning introduced by Isaac Newton. This theory was introduced in 1687, and it is known as a part ofclassical mechanics。

According to the present observations, Newton’s gravity law states that every point mass tends to attract every other point mass through a force that is acting along the line intersecting these two points. Therefore, the mathematical expression for Newton gravity is as follows;

where F is the force between masses, G is the gravitational constant, m1 is the first mass, m2 is the second mass, and r is the distance between the centers of the masses.

What is the Difference Between Einstein and Newton Gravity?

爱因斯坦重力和牛顿重力是物理化学中非常重要的概念，描述了粒子与质量之间的相互作用。爱因斯坦和牛顿重力之间的关键区别在于，爱因斯坦重力描述了重力是4维时空织物与物体质量成比例成比例的曲率，而牛顿重力将重力描述为在两个物体之间相互表达的力相对于其质量表示的力。此外，爱因斯坦将重力视为推动力，而牛顿则将重力视为拉力。

The following table summarizes the difference between Einstein and Newton gravity.

概括– Einstein Gravity vs Newton Gravity

爱因斯坦重力和牛顿重力是物理化学中非常重要的概念，描述了粒子与质量之间的相互作用。爱因斯坦和牛顿重力之间的关键区别在于，爱因斯坦重力描述了重力是4维时空织物与物体质量成比例成比例的曲率，而牛顿重力将重力描述为在两个物体之间相互表达的力相对于其质量表示的力。

Reference:

1. Jones, Andrew Zimmerman. “Newton’s Law of Gravity。” ThoughtCo, Feb. 16, 2021.

Image Courtesy:

1. “光锥” Sakurambo - 通过Commons Wikimedia自己的作品（公共领域）