Please show the work. 6. 1/1 points | Previous Answers HRK5 15.E.012 My Notes As

Question

Please show the work.

6. 1/1 points | Previous Answers HRK5 15.E.012 My Notes Ask Your Teacher O A swimming pool has the dimensions 25 m × 9.0 m × 2.0 m. a) When it is filled with water, what is the force (resulting from the water alone) on the bottom, on the short sides, and on the long sides? 410000N (bottom) 176400N (each short side) 0000 N (each long side) (b) If you are concerned with the possibility that the concrete walls and floor will collapse, is it appropriate to take the atmospheric pressure into account? yes o no Additional Materials a section 161

Explanation / Answer

Volume of water=25*9*2=450 m³

Force at bottom=weight of water=1000*9.8*450=4410000 N

Force on walls will be due to hydrostatic force on walls

Pressure at top=0

Pressure at bottom=1000*9.8*2=19600 N/m²

Force on short side=0.5*19600*2*9=176400 N

Force on long side=0.5*19600*2*25=490000 N

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