Only in a vacuum or in space can an object be in a state of free fall without any other forces acting on it, leading to weightlessness. This is due to the absence of air resistance and gravitational forces cancelling each other out.
In a vacuum there is no matter. A vacuum is the absence of mass in a given volume of space, so an evacuated space has nothing material in it. There may be electromagnetic energy of some kind or another, however.About the most perfect vacuum we know of is in intergalactic space. In that space, which is the space between galaxies, there is very little matter. Perhaps only a few atoms (and probably of hydrogen) in a given cubic meter is about all that we think is out there. But light and microwave background radiation will be present. In a partial vacuum, which is all that we are able to create, there would be a number of atoms of stuff there owing to the imperfections of our equipment. A link can be found below for more information.laws of physics
Space is not completely empty, but it is very close to a vacuum. The pressure in space is extremely low, with only a few particles per cubic meter. This makes space a very good vacuum compared to conditions on Earth.
The only form of heat transfer that can cross a vacuum is radiation. Radiation does not require a medium to transfer heat and can travel through the vacuum of space.
They both fall at the same rate. This is because they are both only acted upon by one force in the vacuum- gravitational acceleration. The mass, size or shape of the object do not influence the object's motion in a vacuum.
Examples of vacuums include the vacuum inside a sealed jar, the vacuum of outer space, and the vacuum inside a vacuum cleaner.
A Vacuum
In a vacuum there is no matter. A vacuum is the absence of mass in a given volume of space, so an evacuated space has nothing material in it. There may be electromagnetic energy of some kind or another, however.About the most perfect vacuum we know of is in intergalactic space. In that space, which is the space between galaxies, there is very little matter. Perhaps only a few atoms (and probably of hydrogen) in a given cubic meter is about all that we think is out there. But light and microwave background radiation will be present. In a partial vacuum, which is all that we are able to create, there would be a number of atoms of stuff there owing to the imperfections of our equipment. A link can be found below for more information.laws of physics
Space is not completely empty, but it is very close to a vacuum. The pressure in space is extremely low, with only a few particles per cubic meter. This makes space a very good vacuum compared to conditions on Earth.
No. Because there is no oxygen as there is only vacuum.
This space is only absolute vacuum.
The only form of heat transfer that can cross a vacuum is radiation. Radiation does not require a medium to transfer heat and can travel through the vacuum of space.
A vacuum is a space where there is no, or very little matter (ex. air molecules). One example of a vacuum is outer space. Because there is no matter for heat to travel through via convection or conduction, radiation is the only heat transfer that can take place in a vacuum.
No, there are trace amounts of gas and dust.
Ion engines only work in the vacuum of space.
Vacuum refers to nothingness A region with no volume, no particles in it; only endless space and time by, Shawkat
Space does not have an atmosphere. It is generally considered a vacuum. Planets and some moons have atmospheres.
They both fall at the same rate. This is because they are both only acted upon by one force in the vacuum- gravitational acceleration. The mass, size or shape of the object do not influence the object's motion in a vacuum.