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Which exerts more pressure on the ground a empty cardboard box or the same piece of cardboard after it has been flattened for recycling?
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Because air has mass what does it also have?
It also exerts a force called pressure
Why does air exert pressure?
Air exerts pressure in the same way that water exerts pressure on a diver. Air has weight, and because we are at the bottom of a blanket of air that surrounds the earth, the weight of that air is pressing down on us (creating pressure). If you go under water, you'll feel the additional pressure created by the weight of the water above you.
Which properties of air are instrumental in propelling a sailboat?
air can do work or it exerts pressure.
Cold air exerts more blank than warm air?
air molecules in cold air exert more pressure because they are closer together and collide more often
Is the greater the density of the air the less pressure it exerts?
They stay the same :)
Which exerts more pressure on the ground an empty cardboard box or the same piece of carboard after it has been flatened for recycling and why?
the empty cardboard box because pressure decreases with increase in area of surface. pressure = force / area. thus pressure is indirectly proportional to area...
What is exerting pressure?
Force exerts pressure. For example: At the surface of the Earth the column of air in the atmosphere above an area has a mass that exerts a force (due to gravity) on that surface area.
Under what circumstances a fluid exerts equal pressure in all direction?
Any liquid exerts equal pressure in all directions.
Describe the reason a fluid exerts pressure on an object immersed in the fluid?
The pressure that a fluid exerts depends on the density and the depth of the fluid.
When air exerts a force it is called?
-- Pressure -- Wind
How do you know that air exerts pressure?
Because the pressure can be measured with a barometer.
Air exerts pressure because it has?
weight
What matter exerts pressure in all directions?
A gas.
Why water exerts pressure?
The same reason bricks exert downward pressure. Gravity.
Can water exert pressure on a submarine?
Yes, water exerts pressure on the hull of the submarine.
How much air pressure exerts in your body?
1 atm
How gas exerts pressure on the side of its container?
The molecules of the gas are in constant motion and their collisions with the sides of the container exerts a force which is felt as pressure.
