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Coefficient of Viscosity

Consider the ...

Question

Consider the situation of the previous problem. Let the water push the left wall by a force F₁ and the right wall by a force F₂.
(a) F₁ = F₂
(b) F₁ > F₂
(c) F₁ < F₂
(d) the information is insufficient to know the relation between F₁ and F₂

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Solution

(b) F₁ > F₂

When the box is accelerated towards right, the water in the box experiences a pseudo force (ma) towards left, where m is the mass of water. So, the force F₁exerted by the water on the the left wall of the box is greater.

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