Question

formulae and unit of all physical quantities used in class 8 as pressure , area and force etc.

Answer 1

pressure=force/area
s.i. unit of force =N
S.i. unit of area=m^2
so pressure =N/m^2

Answer 2

Pressure = Pascal
Area = Meter
Force = Newton
Velocity = M/Sec
Acceeletaion = M/Sec²
Time = Sec
Etc