Wednesday, 20 June 2012


Pressure is defined as the force acting per unit area.

Pressure = FORCE  

Do you know that the pressure that acts on a surface will greater if the area over which the force acts is very small ?


The pressure exerted by hing-heeled shoes.

The pressure exerted by flat shoes.

The high-heeled shoes will sinks deeper into soil than the flat shoes. This is because the smaller the area of the shoes, the greater the pressure of the shoes that exerting on the ground.

*credit - Longman_Essential_Physics Form 4

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