## Does gravity change depending on where you are?

You are right – gravity does change across the surface of the Earth and throughout its atmosphere, due to several effects. First, there is the variation of gravity with latitude that you alluded to: you weigh about 0.5\% more at the poles than on the equator. Second, gravity does indeed change with altitude.

### Does the force of gravity change slightly with location on the Earth?

Because the force due to gravitational attraction between two bodies (the Earth and the object being weighed) varies inversely with the square of the distance between them, an object at the Equator experiences a weaker gravitational pull than an object on the pole.

Does Earth’s gravity vary?

Gravity is often assumed to be the same everywhere on Earth, but it varies because the planet is not perfectly spherical or uniformly dense. It’s also weaker at higher altitudes, further from Earth’s centre, such as at the summit of Mount Everest.

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Does G vary on the Earth or is it always the same value?

The acceleration g varies by about 1/2 of 1 percent with position on Earth’s surface, from about 9.78 metres per second per second at the Equator to approximately 9.83 metres per second per second at the poles.

## Why does gravity change as you move across the surface of the earth?

“The Earth’s gravity field changes from one month to the next mostly due to the mass of water moving around on the surface,” said Watkins. “Because water in all its forms has mass and weight, we can actually weigh the ocean moving around.

### How does gravity affect Earth?

Obviously gravity is very important on Earth. Our connection to the Moon’s gravity makes the tides rise and fall. The Earth’s gravity keeps our planet orbiting the Sun, just like the Sun’s gravity pulls on our planet. When the earth spins and gravity pulls on the clouds, weather can be affected.

How does acceleration due to gravity vary from place to place on the surface of Earth?

As the earth is an oblate spheroid, its radius near the equator is more than its radius near poles. Since for a source mass, the acceleration due to gravity is inversely proportional to the square of the radius of the earth, it varies with latitude due to the shape of the earth.

What factors affect gravity?

When dealing with the force of gravity between two objects, there are only two things that are important – mass, and distance. The force of gravity depends directly upon the masses of the two objects, and inversely on the square of the distance between them.

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## Is the value of g same everywhere where on the surface of Earth How has it been decided?

How has it been decided? The value of g is differenct places on the surface of Earth. Due to it, the radius of the Earth is smaller at poles and is larger at equator. Since, g∝1/R2, therefore, the acceleration due to gravity is smaller at equator than that at poles.

### Why the value of g is not same at all places on the earth surface?

The earth is a little oval shape just like an ellipse that is the reason behind why the gravity is not the same in each and every part of the earth. it is maximum at the place which is nearer to the center of the earth, so the value of ‘g’ is minimum at the equator on the surface of the earth maximum at the poles.

How does gravity on Earth compare to gravity on the moon?

Earth’s average surface gravity is about 9.8 meters per second per second. The Moon’s surface gravity is about 1/6th as powerful or about 1.6 meters per second per second. The Moon’s surface gravity is weaker because it is far less massive than Earth.

How Earth’s force of gravity changes over its entire surface if it changes quizlet?

How Earth’s force of gravity changes over its entire surface, if it changes? Force of gravity is weaker at the equator than at Earth’s poles because of centrifugal force created by Earth’s rotation and the equatorial bulge.;Force of gravity is stronger than average near the large dense rock bodies.

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## How does the Earth’s gravity field vary?

Earth’s mass is distributed between various landforms and features — such as mountain ranges, oceans, and deep sea trenches — that all have different mass, which creates an uneven gravity field. This map, created using data from the Gravity Recovery and Climate Experiment (GRACE) mission, reveals variations in the Earth’s gravity field.

### What is the magnitude of gravity on the earth’s surface?

There are consequently slight deviations in the magnitude of gravity across its surface. Gravity on the Earth’s surface varies by around 0.7\%, from 9.7639 m/s 2 on the Nevado Huascarán mountain in Peru to 9.8337 m/s 2 at the surface of the Arctic Ocean.

Does the acceleration due to gravity depend on the surface?

The acceleration due to gravity changes not only on the surface of the Earth (depending on where you are) but also how high up you are (which varies by , where is the distance from the center of the Earth to you).

Why is there a difference in gravity at different latitudes?

The second major reason for the difference in gravity at different latitudes is that the Earth’s equatorial bulge (itself also caused by centrifugal force from rotation) causes objects at the Equator to be farther from the planet’s centre than objects at the poles.