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Gravity

One of the four fundamental interactions, gravity is responsible for the fact that any objects with mass attract one another. According to general relativity, it is a space time curvature, but according to quantum mechanics it is the result of exchanges of virtual gravitons.

4,784 Questions

When a plant responds to the earth's gravitational pull what is it called?

When a plant responds to the earth's gravitational pull, it is called gravitropism. This phenomenon involves the growth response of plant organs, such as roots growing downward and stems growing upward, in relation to gravity.

Why does a pin attracted by a magnet move upwards and not downwards towards the earth's gravitational pull?

The force of attraction between the pin and the magnet is greater than the force of gravity acting on the pin. As a result, the pin moves upwards towards the magnet instead of being pulled downwards by gravity.

What force plays an important role in maintaining the shape of the solar system?

Gravity plays an important role in maintaining the shape of the solar system by keeping the planets in their orbits around the Sun. The gravitational pull of the Sun is what keeps the planets moving in their paths without drifting off into space.

What is the force of gravity on a 24kg table?

The force of gravity on a 24 kg table on earth = 24 x 9.8 = 235.2N

What is the traveling speed of magnetism?

Nothing. Current theories limited by assumption that speed of light is "fastest". Guess again fools!!

Why dolomite has high specific gravity than limestone?

Dolomite contains more magnesium than limestone, resulting in a higher specific gravity. The additional magnesium atoms increase the mass of dolomite per unit volume, producing a higher specific gravity compared to limestone.

Why does the moon have gravity but no air?

The moon has gravity because it has mass, which creates a gravitational pull. However, the moon has no atmosphere because its gravity is too weak to hold on to gases like air. As a result, the moon has a vacuum environment with no air or atmosphere.

What is the specific gravity of osmium?

The specific gravity of osmium is around 22.59 g/cm³. It is one of the densest naturally occurring elements.

Do the 4 outer planets have the most gravity?

Yes, the four outer planets (Jupiter, Saturn, Uranus, and Neptune) have the most gravity in our solar system due to their larger size and mass compared to the inner planets. For example, Jupiter, the largest of the planets, has the strongest gravitational force.

Why is Earth's gravity six times greater than the gravity on the moon?

The force of gravity is determined by the mass of two objects. Earth's is used as the standard. So on Earth your weight is the same as your mass.

Other planets have a different mass than the Earth, so the attraction - or gravity as we call it - differs as well.

The mass of the Moon creates a pull only 1/6 as strong as the Earth.

Mass can be more or densely packed together such as a gas or solid rock. The density of the material also affects the force of gravity at the surface. The force of gravity diminishes with distance. So, floating on a gas giant that has the same mass as the Earth, you would feel less gravity.

Would having 2 moons affect the earths gravity why?

Another moon would not affect Earth's gravity. The gravity a body exerts is determined by its mass, not by the mass of objects affected by it. This would, however affect other things, chief among them tides, which are controlled by the gravity of the moon.

How do plants detect their level of gravity?

well the way that seeds know which way is up is because they are much smarter then you may think.

seeds have a sense of where the sunlight is and will continually thrive until they reach the area of sunlight and keep growing to get closer to the sunlight

hope that helps alot i am sure it will

warm regards

Surf babe

How can you draw a picture of specific gravity?

specific gravity = relative density , datum is water density @ 1 000kg/m^3

say iron at 8000kg/m^3, specific gravity (relative density)= 8000/1000 = 8

imagine see saw with 1 cubic metre iron 1 metre left of fulcrum , to balance put 1 cubic metre of water 8 metres right of fulcrum

Is there gravity in Mercury?

Yes, Mercury has gravity. every planet and object with even the smallest bit of mass has gravity, but most things, like this computer, does not have enough mass to penetrate the 'normal force'.

Does the Acceleration due to gravity increase going to depth of the Earth?

According to the formulae the Acceleration due to gravity increases overall as we go deep into the Earth since the mass above is being pulled in the opposite direction. However it also increases a little due to the presence of denser material in mantle.

Why would there be no tides on a flat earth?

On a flat Earth, there would be no tides because the gravitational pull of the Moon and Sun would not affect water on a flat surface in the same way it does on a round Earth with oceans. Tides are a result of the gravitational forces between the Earth, Moon, and Sun interacting with the shape and mass distribution of the Earth.

Is dark matter related to antimatter in any way?

No, dark matter is entirely different from antimatter. For one, we know a lot about antimatter and have been able to do experiments with it and actually utilize it in some nuclear reactions.

Dark matter is a theory to help understand why the universe does not behaive the way we believed it should. Galaxies are showing that they do not have enough mass to have the gravitational effects that they do, so there must be matter somewhere, this is labeled as dark matter.

Does gravity cause rivers to flow?

Local climate can change it depending if you are near the equator and where you are in the world. Say if its hot, the lake may be hot too. If the climate is cold, such as it is in winter, the rivers could be frozen. They may even have freezing water.

Rivers evaporate by the sun rays With presipitation(rainfall) they can overflow and flood surrounding land

Effect of gravity?

Imagine a table cloth held on by each corner above the ground. This is the universe. Put an apple on it. This is a planet. The apple makes a dent. This is gravity. Put grapes on the cloth. These are smaller planets. They are drawn to the apple. Put a soccer ball on the cloth. This is a very large planet. Everything moves towards it. Gravity.

How does gravity affect erosion?

Gravity plays a key role in erosion by pulling sediment down slopes, leading to the process of mass wasting. Gravity also aids in the transport of sediment by moving it downhill and causing rivers to flow. Overall, gravity influences the movement and deposition of sediment, contributing to the erosion of Earth's surface.

Does the sun use gravity to stay in the middle of the solar system?

In a sense. The planets all orbit the sun because it contains about 99.9% of the mass of the solar system. The sun wobbles somewhat due to the gravity of the planets, but does not move very far.

How does gravity contribute to erosion?

Weathering can break up rocks on a slope or cliff. Then gravity will then pull the weathered rock down the slope or cliff. Erosion is the moving of weathered rock. Gravity would be moving the weathered rock down the slope or cliff.

What is the specific gravity of sand?

Light-colored sand is mostly quartz. The specific gravity of quartz is 2.65, but sand is porous. A good approximation is 1.6 for compacted sand where the interstitial volume is filled with air, rising to 1.9 when the sand is saturated with water.

How does gravity cause erosion?

Gravity plays a significant role in erosion by pulling various materials, such as rocks, soil, and sediment, downhill or towards bodies of water. This movement, known as mass wasting, can lead to erosion as the materials are transported, worn down, and deposited in new locations. Gravity also influences the speed and intensity of erosion processes, ultimately shaping landscapes over time.

How much stronger is the gravitational pull of the Sun on Earth at 1 AU than it is on Saturn at 10 AU?

Gravity obeys an inverse-square law. The force is inversely proportional to the distance squared. That means at 1/10 the distance the force is 100 times stronger. The pull also depends on the mass of the Sun and the mass it is attracting.

If you imagine a 1 kilogram "test " mass on Earth and an identical test mass on Saturn, then the pull on the mass on Earth will indeed be 100 times the pull on the test mass on Saturn.