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Water stands at a depth D=33.0m behind the vertical upstream face of dam of width W=308 m .Find the net torque dueto that force about a horizontal line through O paralell to the (long) width of the dam?

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Sadha
SadhaLv10
26 Jan 2021
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

The fresh water behind a reservoir dam has a depth D. A horizontal pipe of radius r is located at a depth d and passes through the dam. A plug has been firmly inserted at the end of the pipe, as depicted in the diagram. Standard gravity acts vertically downward. Standard atmospheric pressure is present. Given that D = 15.00 m, d = 6.00 m, and r = 2.00 cm, determine:

a) the magnitude of the friction force that must exist between the plug and the pipe wall, assuming that the plug remains in place,

b) the total volume of water that exits the pipe during a 3-hr time interval if the plug is removed from the pipe.

Hint: Assume that the reservoir is vast and that its liquid level is unaffected by the drainage of this relatively small amount of water.


The question says: Review. The tank in Figure P 14.13 is filledwith water of depth d = 2.00 m. At the bottom of one sidewall is arectangular hatch of height h = 1.00 m and width w = 2.00 m that ishinged at the top of the hatch. (a) Determine the magnitude of theforce the water exerts on the hatch. (b) Find the magnitude of thetorque exerted by the water about the hinges.

Chapter 14 - Problems - Question 13
Fluid Mechanics
Physics for Scientists and Engineers Serway Jewett
Eighth Edition

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