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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
Air does not affect gravity directly, as gravity is a force of attraction between objects with mass. However, air resistance can have an impact on the motion of objects falling through the air, as it opposes the force of gravity and can slow down the object's descent.
When leaving earth how do you overcome gravity?
To overcome gravity when leaving Earth, a spacecraft must reach a high enough speed to break free from Earth's gravitational pull. This is achieved by launching the spacecraft at a high velocity using powerful rockets. Once the spacecraft reaches escape velocity, it can overcome Earth's gravity and continue its journey into space.
How hard is gravity pulling you down?
In my case, the magnitude of the force is 195 pounds. In return, I am
also pulling the Earth up toward me with a force of 195 pounds.
specific gravity is defined as the ratio of the density of the sample/the density of water.
So the specific gravity of water is 1.
Anything more dense than water will have a specific gravity above 1 and will sink.
Anything less dense than water will have a specific gravity below 1 and will float.
What is the force of Gravity on Jupiter in Newtons?
The force of gravity on Jupiter is approximately 24.79 m/s^2, which is equivalent to about 24.79 Newtons of force for a 1-kilogram mass.
Do the center of mass and the center of gravity coincide?
Yes . If the center of pressure, for the vehicle as a whole, is not located behind the center of gravity (away from the direction of the flight path), then the vehicle will have unstable motion and can tumble. Adding fins to the rear of the vehicle (or increasing fin surface area) will move the center of pressure aft, affording stable flight. A similar effect can be produced by adding weight to the front of the vehicle.
Is Gravity is example of a centrifugal force?
No, gravity is not an example of a centrifugal force. Gravity is the force of attraction between objects with mass, while centrifugal force is the outward force experienced in a rotating reference frame.
Is there a different type of gravity underwater?
No. There's only one type of gravity, and it's the same everywhere.
How does gravity affect motion of an object?
Gravity affects the motion of an object by pulling it towards the center of the Earth. This force creates acceleration, causing objects to fall towards the ground at a rate of 9.8 m/s^2. The greater the mass of an object, the greater the gravitational force acting upon it.
Can the force of gravity on a 1 kg mass ever be more than on a 2 kg mass?
Not if they're in the same place, or simply on the same planet.
But if the 1 kg is on the Earth and the 2 kg is on the moon, then
the force of gravity on the 1 kg is 9.8 newtons (2.205 pounds), and
the force of gravity on the 2 kg is only 3.2 newtons (0.730 pound).
And if the 1 kg is on ANY planet, and the 2 kg is in space, then the force of gravity on the 1 kg is something, and the force of gravity on the 2 kg is approximately zero.
What term is defined as the measure of the force and gravity acting on the mass of a substance?
That quantity is known as the "weight" of the substance,
and it depends on how much of the substance you have.
Can gravity slow down an object?
Yes, gravity can slow down an object if it is acting in the opposite direction of the object's motion. For example, if an object is thrown upwards, gravity will work against the object, slowing it down until it eventually stops and falls back to the ground.
What are two things that determine gravity?
Mass and distance are the two main factors that determine the strength of gravity between objects. The greater the mass of an object, the stronger the gravitational pull it exerts. Additionally, the closer two objects are to each other, the stronger the gravitational force between them.
Can there be buoyancy without gravity Explain?
No, because buoyancy is the upward force exerted on an object in a fluid due to the surrounding fluid pressure being greater at the bottom of the object than the top. Gravity is necessary to create this pressure difference that leads to buoyancy. Without gravity, there wouldn't be a pressure gradient to cause the buoyant force.
Do all things have a gravity force?
Yes, all objects with mass have a gravitational force. However, the strength of the gravitational force depends on the mass of the objects and the distance between them.
What is specific gravity of caustic soda?
It depends on the solution's degree of concentration or dilution.
Is mass or weight determined by gravity?
The weight or mass of the entire matter found in the universe is determined not only by gravity but also are inluenced by the strong and weak nuclear forces that affects the atoms nucleus and its components
Effect of earth gravity on saterlite?
A continuous acceleration toward the center of the Earth equal to GM/R2 where G is the Gravitational Constant, M the mass of the Earth and R the distance between the satelite and the center of the Earth. If you multiply this by the mass of the sattelite itself, you get the force acting on the satelite to produce the acceleration. It is this force, causing this acceleration, which holds the satelite in orbit. Without it the satelite would obey Newton's first law of motion and just move out in a straight line. Note that this is true of any object orbiting any thing, whether it is an artificial satellite orbiting the earth, a planet or spacecraft orbiting the Sun, or a star orbiting the center of the galaxy.
The force of gravity between two objects depends on their masses and the distance between them. The mass of the Earth is much larger than the mass of a car, resulting in a stronger gravitational pull between you and the Earth compared to you and a car. Additionally, the distance between you and the Earth's center is much smaller than the distance between you and a car, further contributing to the greater force of gravity between you and the Earth.
How is weight related to the force of gravity?
Weight is the result of the force of gravity acting on an object's mass. The greater an object's mass, the stronger the force of gravity pulling on it, resulting in a higher weight. Weight is directly proportional to the mass of an object under the influence of gravity.
What is the formula for work done against gravity?
Work Done = Force x Distance
= Power / Time
= (Force x speed)/Time
What affect does gravity have on the game of golf?
Firstly gravity has an EFFECT (noun), or gravity AFFECTS (verb) the game, please don't confuse the two.
Gravity affects the trajectory (flight) of the ball in terms of its height and therefore distance travelled on each elevated shot (once it reaches the ground its continued progress is halted by resistance of the surface on which it has landed (grass, or unfortunately sand).
Gravity is what causes the ball to drop into the cup and signifies the end of each hole.
What it be like if there was no gravity?
Without gravity, objects would float freely in space, and there would be no weight or pressure on our bodies. Everything would move in straight lines unless acted upon by another force. The lack of gravity would have a profound impact on how we live and interact with our environment.
What are the factors that effect the strength of gravity?
The strength of the forces of gravity between any two objects
completely depends on -- the product of their masses, and
-- the distance between their centers. Nothing else makes any difference.
-- It doesn't matter if one is huge and the other one is tiny.
The product is what matters. (one mass times the other one)
-- It doesn't matter whether they're 0.00001 inch apart or a billion miles apart.
Gravity never ends, no matter what the distance is, but the forces get weaker
as the objects get farther apart.
-- I keep saying "forces" because gravity always acts in both directions.
Gravity makes the Earth pull you to it, and gravity makes you pull the Earth
to you. And the forces are always the same in both directions. Your weight
on Earth is the same as the Earth's weight on you.
-- It doesn't matter what's between the objects. Nothing can block gravity,
or shield anything from gravity.
Now start going to class, listening to what goes on there, and doing your homework.
The acceleration due to gravity is what?
It's the best way to describe the gravity in any given place. Notice that it
doesn't depend on the object that's being weighed there. Naturally, objects
with more mass will be heavier, and objects with less mass will be less heavy.
But all objects, regardless of their mass, will fall with the same acceleration
there, and an object's weight there will be the product of its mass and that
acceleration.
So that number tells you everything you'll need to know about the gravity there.
On Earth, that number is 9.8 meters (32.2 feet) per second2 .
It is just mass then.
