Pressure is the effect of a force over an area. It is the force acting over 1 m 2. Therefore, the definition of pressure is: pressure is the force per unit area. If a force acts over a larger area, ...
Lowry Kirkby reviews The Theoretical Minimum: What You Need to Know to Start Doing Physics by Leonard Susskind and George Hrabovsky Thirst for physics: Leonard Susskind's popular series of lectures ...