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 do you combine resistors is series and parallel?


Describe how the strong nuclear force between nucleons varies with seperation of the nucleons.


How does the photoelectric effect provide evidence for a particulate nature of electromagnetic radiation?


Describe one technique you could use to measure the threshold voltage for LEDs.