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 ▸This Question is a multi-parter but all around the same scenario. Similar to an end of paper A-level physics question.
What is the angular velocity of a car wheel which diameter is d = 15 mm if the car velocity is of 120 km/h?
A diver of mass 60kg stands on the end of a diving board of length 2m from the pivot point. Calculate the upward force exerted on the retaining spring 30cm from the pivot point.
What Newton’s third law of motion?