Atmospheric Pressure is about 1.0x10^5 Pa. What is the downward force of the air on a desktop of surface area 1m^2?

Here we are dealing with force, pressure and area so we use the formula F=PA. We simply slot in the given numbers where P=1x105, and A=1. The resulting force is 1x105N. 

MK

Related Physics A Level answers

All answers ▸

How would you explain general relativity?


This Question is a multi-parter but all around the same scenario. Similar to an end of paper A-level physics question.


Explain how an acceleration-displacement graph could be used to determine the frequency of oscillation of a metal plate.


Calculate the length of a 120m (as measured by the astronaut) spaceship travelling at 0.85c as measured by a stationary observer