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 ▸Explain Rutherford's alpha particle scattering experiment and what it provided evidence for
Calculate the time taken for 1000L of water at rtp to be heated to 40degrees celsius using a 40kW heater
What is the difference between an elastic and inelastic collision
A ball is hit horizontally at a height of 1.2 m and travels a horizontal distance of 5.0 m before reaching the ground. The ball is at rest when hit. Calculate the initial horizontal velocity given to the ball when it was hit.