# What is the meaning acceleration of gravity

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## What is the Meaning of Acceleration of Gravity?

Acceleration of gravity is a physical property of the earth that describes the rate at which objects fall towards the center of the planet. It is also known as the gravitational acceleration, or simply, gravity. The acceleration of gravity is expressed as a vector quantity, with its direction pointing towards the center of the earth. The magnitude of the acceleration of gravity is 9.8 m/s2, or 32.2 ft/s2, at the Earth’s surface.

The acceleration of gravity can be used to calculate the velocity of a falling object. It is also used in the calculation of the gravitational potential energy of an object, which is the energy an object has due to its position in a gravitational field. The acceleration of gravity is also used in the calculation of the force of gravity, which is the force exerted by one object on another due to their masses and the distance between them.

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The acceleration of gravity is not constant throughout the universe. In fact, it is weakest at the poles of the Earth and strongest at the equator. The acceleration of gravity also decreases with altitude, and is weaker in outer space than it is on the surface of the Earth. This is because the gravitational pull of the Earth is weaker at greater distances.

The acceleration of gravity is an important concept in physics, and is used in a variety of calculations. It is also used in the calculation of the escape velocity of a rocket, which is the speed at which a rocket must travel to escape the gravitational pull of the Earth. The acceleration of gravity is also used in the calculation of the orbital velocity of a satellite, which is the speed at which a satellite must travel to stay in orbit around the Earth.

In conclusion, the acceleration of gravity is a physical property of the Earth that describes the rate at which objects fall towards the center of the planet. It is expressed as a vector quantity, with its direction pointing towards the center of the Earth. The magnitude of the acceleration of gravity is 9.8 m/s2, or 32.2 ft/s2, at the Earth’s surface. It is used in a variety of calculations, such as the calculation of the gravitational potential energy of an object, the force of gravity, the escape velocity of a rocket, and the orbital velocity of a satellite.