Question

pressure exerted by a solid depends upon area of contact. show situations to justify this statement.the presentation should be accompanied by pictures and diagrams​

Answer 1

Explanation:

Pressure is the compressive force acting per unit of area;

Pressure= Force/Area

If force is considered constant, then Pressure would be proportional to the inverse of Area.

$pressure \: \alpha \: \frac{1}{area}$

For a constant amount of force, the smaller the area of contact be the greater the pressure would be. This explains why it would be easier for a sharp pin to penetrate a piece of cardboard than a blunt one when the same force is used.

A solid resting on a horizontal surface exerts a normal contact force equals to its weight. The pressure of the solid on the surface depends on the area of contact.

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Answer 2

Answer:

Pressure is the compressive force acting per unit of area;

Pressure= Force/Area

If force is considered constant, then Pressure would be proportional to the inverse of Area.

For a constant amount of force, the smaller the area of contact be the greater the pressure would be. This explains why it would be easier for a sharp pin to penetrate a piece of cardboard than a blunt one when the same force is used.

A solid resting on a horizontal surface exerts a normal contact force equals to its weight. The pressure of the solid on the surface depends on the area of contact.

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