Fluid flows horizontally through an enclosed pipe in the rightward direction. Th

Question

Fluid flows horizontally through an enclosed pipe in the rightward direction. The pipe gradually WIDENS in the direction of travel. Please answer the following questions:

In the force picture:
a.) The pressure of the fluid will  ---Select--- increase decrease stay the same not enough info  as it travels rightward.

b.) The net force on any given volume of the moving fluid will point  ---Select--- to the left to the right upwards  downwards none of these not enough info  .

c.) The acceleration and velocity vectors of any given volume of the moving fluid will point  ---Select--- in the same direction in opposite directions perpendicular none of the above not enough info  .

In the energy picture:
d.) The work done on any given volume of the moving fluid by the surrounding water is  ---Select--- positive negative zero not enough info  .

e.) The kinetic energy of any given volume of the moving fluid will  ---Select--- increase decrease  remain constant not enough info  .


f.) Based on your answers for parts c and e above, the water will  ---Select--- speed up slow down remain at constant speed not enough info

My original answers to this problem were

a) decrease (INCORRECT)

b) left (CORRECT)

c) decrease (INCORRECT

d) zero INCORRECT

e) increase (INCORRECT)

f) speed up (incorrect)

I retried and have new answers and want to ensure they are right

a)increase b) left (was only correct answer from above) c) move opposite directions d)negative e)decrease f)slow down

please let me know if these are correct/confirm

thanks

Do these answers agree with flow rate continuity? With Bernoulli's principle?

Explanation / Answer

a) increase

b) to the left

c) in opposite directions

d) negative

e) decrease

f) slow down

Yes, these answers agree with flow rate continuty and Bernoulli's principle

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