Question

the neck and bottomof a bottle are 2cm and 10cm in a diameter respectively if the cork is pressed with a force of 1.2kgf in the neck of the bottle.calculate the force exerted on the bottom of the bottle.​

Answer 1

Answer:

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Answer 2

Explanation:

Radius of the cork at the neck is 1cm.

Area of the cork, Ac=π×12cm2

So, pressure applied through the cork, Pc=π×121.2kgf.cm−2

Same pressure is applied on the bottom of the bottle as per Pascal's law.

Radius of the bottom of bottle is 5cm.

Area of the bottom, Ab=π×52cm2

So, force applied at the bottom = Pc×Ab=π×121.2×π×52=1.2×25=30kgf

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