There is a legend of a Dutch boy who bravely held back the Atlantic Ocean by plu

Question

There is a legend of a Dutch boy who bravely held back the Atlantic Ocean by plugging a leak near the top of a dike with his finger until help arrived. Which of the following is most likely?

A) The huge size of the Atlantic Ocean makes this impossible.

B) Although the force on his finger would have been huge, the pressure would have been small enough for this to occur.

C) The force on his finger would have been less than 1 N.

D) Both the force and pressure on his finger would have been great, but not too great for a public-spirited Dutch lad.

E) none of these

Explanation / Answer

force = Pressure x cross sectional area

value of pressure will be not small.

but area is very very small.

hence F = P A

so Force will be small.

Ans(C)

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