What is acceleration due to gravity?

Acceleration due to gravity is the rate at which an object falls towards the Earth.

The acceleration due to gravity, denoted as 'g', is a constant value of 9.81 m/s² on the surface of the Earth. This means that any object that is dropped or thrown near the Earth's surface will experience an acceleration of 9.81 m/s² towards the ground. This value is derived from the mass of the Earth and the distance between the object and the Earth's center.

The acceleration due to gravity is a fundamental concept in physics and is used in many calculations, such as determining the speed and distance of falling objects. It is also used in the study of gravitational forces and the motion of celestial bodies.

It is important to note that the acceleration due to gravity is not constant throughout the universe. It varies depending on the mass and distance of the object from the center of the gravitational field. For example, the acceleration due to gravity on the surface of the Moon is only 1.62 m/s², which is much less than on Earth.

In conclusion, the acceleration due to gravity is a fundamental concept in physics that is used to describe the motion of objects near the Earth's surface. It is a constant value of 9.81 m/s² and is used in many calculations and studies in physics.