15 pounds of air pressure are pushing against every square inch of your body at all times.
air pressure is the amount of air pushing down on you and high pressure is air that rises.
There is pressure within the earth due to the overlying material that the earth is formed from. The deeper within the earth you go, the greater the amount of overlying material pushing down due to gravity and so the greater the pressure. As the inner core has the largest amount of overlying material pushing down upon it, it experiences the greatest pressure.
DePending on the amount of pressure you put on a persons back
As far as you are not hitting it, it's going to be fine. Just make sure that you do not block vents. * Improved Answer * Depends upon the amount of pressure you are applying to the laptop. Is the screen closed and you are pressing against the back of the screen? At a certain amount of pressure you will break internal circuits, crack the LCD screen, crack the case
The force pushing on a surface or area is called pressure. It is defined as the amount of force applied per unit area of the surface.
Same reason water pressure is the highest at the bottom of the ocean - the amount of stuff above, pushing down.
You can calculate the force exerted by multiplying the pressure by the area over which the pressure is applied. The formula for calculating force is Force = Pressure x Area. This will give you the amount of force pushing down on the tabletop due to the air pressure.
Aha! There is the same amount of pressure inside your body pushing out against the air pressure. This is why astronauts outside of their space lab or Shuttle need a pressure suit - to keep their bodies from exploding (there is no air, therefore no air pressure in space.)
When you are measuring air pressure, you are measuring the force that the air is exerting outwards, on whatever you are using to compress it (since materials resist being compressed). For example, measuring the air pressure in a balloon is measuring the amount of force that the air is pushing against the material of the balloon. This is usually expresed in Pounds per Square Inch (PSI).
The amount of electrical pressure in a circuit is measured in volts (V). It represents the potential difference between two points in the circuit and is responsible for pushing the electric current through the circuit.
When you are measuring air pressure, you are measuring the force that the air is exerting outwards, on whatever you are using to compress it (since materials resist being compressed). For example, measuring the air pressure in a balloon is measuring the amount of force that the air is pushing against the material of the balloon. This is usually expresed in Pounds per Square Inch (PSI).
Caffeine will raise a person's heart rate and blood pressure unless that person has a tolerance for the specific amount of caffeine taken in.