Which of the following statements is incorrect? a. By applying a small force to

Question

Which of the following statements is incorrect?

a. By applying a small force to a small area of fluid, it is possible to produce a large force acting on a large area of fluid.

b. Density, which is the ratio of mass to volume, is useful for describing systems which do not have a fixed shape.    

c. If the pressure of a fluid changes at one point, the pressure of the fluid at any other point changes by an amount proportional to the depth of the point.

d. Specific gravity is ratio of the density of a fluid to the density of water at 4 degrees Centigrade.

Explanation / Answer

a) By applying a small force to a small area of fluid, it is possible to produce a large force acting on a large area of fluid.

True: By Pascal’s principle P= F1/A1 = F2/A2

b)Density, which is the ratio of mass to volume, is useful for describing systems which do not have a fixed shape.   

True:

Volume can be measured buoyant force law.

c)If the pressure of a fluid changes at one point, the pressure of the fluid at any other point changes by an amount proportional to the depth of the point.

True: By Pascal’s principle it’s true.

d) Specific gravity is ratio of the density of a fluid to the density of water at 4 degrees Centigrade.

True

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