Question

Define pressure.

Answer 1

1. Pressure is the force acting perpendicular to a unit area of the object.

$Pressure=\frac{Force}{Area}$

SI unit is $N{m}^{-2}$

1. E.g. A sharp knife cute things better because due to the varying thin edge of its blade, the force of hands falls in a very small area of the object being cut, producing high pressure.