Define Area?
The measure or magnitude of the part of the plane enclosed by a simple closed figure is called Area.
Define pressure and how it is related to force and area and give it's SI unit also.
(a) Define pressure. (b) What is the relation between pressure, force and area ? (c) Calculate the pressure when a force of 200 N is exerted on an area of :
(i) 10m2 (ii) 5m2
The Census of India defines an urban area as having __________.