Fluids Mechanics

Fluids Statics and Dynamics

Fluids Mechanics Principles

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The figure shows four cylinders of various diameters filled to different heights with the same fluid. A hole in theside of each cylinder is plugged by a stopper; all of the stoppers are identical. All of the cylinders are open at thetop.(A) Rank the press
Water flows at 8 m/s from two 3-cm-diameter pipes into one 6-cm-diameter pipe. Calculate the speed of the water in the 6-cm pipe.
A very tall cylinder with a movable piston is placed in a lake. The piston is pulled up, drawing lake water in andupward, as shown in the figure.In a clear, coherent, paragraph-length response, explain why the lake water moves up the cylinder when thepist
Water flows at 8 m/s from two 3-cm-diameter pipes into one 6-cm-diameter pipe. Does the water speed up or slow down upon entering the 6-cm pipe? Justify your answer.
The ratio of the diameters of the small piston to the large piston of a hydraulic lift is 1:10. Find (a) the ratio of the force on the small piston to the force on the large piston and (b) the ration of the pressure on the small piston to the pressure on
If objects that are denser than water sink, how can a steel ship float?
You and a friend are taking a cruise when the ship begins to sink. The life rafts hold heavy containers ofsupplies. Your friend says, “We need to tie ropes to the containers, toss them overboard, and let them hangsubmerged below the raft. That will allow
Water passes through a closed piping system starting at point 1 and exits to the atmosphere at the highestpoint near point 4. The pipe is small at point 1 but then widens out to a constant radius for the rest of the pipe.(A) Rank the velocity of the water
A beaker of water sits on a balance. A metal block with a mass of 70 g is held suspended in the water by aspring scale in position 1, as shown in the figure. In this position, the reading on the balance is 1,260 g, and thespring scale reads 120 g. When th
Explain Pascal’s principle.

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