Question

Describe any 5 application of pressure.

Answer 1

The five practical applications of pressure are stated below:

• High heeled shoes exert more pressure and can sink easily in the ground.
• Load-carrying vehicles like trucks have four or more wheels to make contact with the ground.
• In a syringe, the pressure of the blood results in the filling of the syringe when the plunger is moved upwards.
• The base of the walls in buildings is always broad to exert less pressure on the ground.
• The large area of the soles of the elephants does not let them sink in the ground even when their weight is more in comparison to other animals.

( Note that the pressure exerted will be less if the area of the object is larger and more if the area is smaller given the fact that the same force is being applied.)

Answer 2

Answer:

Sucking a drink through a straw - fluid flows because of pressure difference.

Aircraft fly because of the air pressure on the wings.

Toy balloon inflates because of air pressure inside.

Syringes are used to take blood for blood tests. ...

The area of the edge of a knife's blade is extremely small. ...

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