What is Pascal?

1. Is a physicist

1. Pascal is the unit of pressure

2. Formula: p=F/S

p represents pressure, the unit is Pascal (Pa )

F represents pressure, unit Newton (N)

S represents stress area, unit square meter

3. As for the 4 MPa you mentioned = What 40 kilograms means needs to be explained in more detail.

Two. He is a mathematician, and there are many Pascal's theorems in plane geometry