(a) Define pressure. What is the relation between pressure, force and area? State units in which pressure is measured.
(b) Explain why school bags are provided with wide straps to carry them.
(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
Define pressure and how it is related to force and area and give it's SI unit also.