Question

8.For the given thrust, the pressure on the surface is reduced by ________ the area of surface​

Answer 1

Answer:

Strong winds during a storm or a cyclone can blow away even the roof-tops. Winds and cyclones are caused by the differences in air pressure. Try to push a nail into a wooden plank by its head. Try now to push the nail by the pointed end. Try cutting vegetables with a blunt and a sharp knife.  Do you get the feeling that the area over which the force is applied (for example, the pointed end of the nail) plays a role is making these tasks easier? The force acting on a unit area of a surface is called pressure.  

At this stage we consider only those forces which act perpendicular to the surface on which the pressure is to be computed.

Pressure = Force / Area on which it acts

Explanation:

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Answer 2

Answer:

For the given thrust, the pressure on the surface is reduced by increasing the area of surface