## Answers

ala 15cm wates. I for water specifice goauty sal.

I5-3 20cm lw= 1000 kg/m? the about line A-4 pressure egni = egon Pwgl his effon eft denstey of fluid . = specific grauty of fluid y ew. = 3x bw (1000) (15) - 3x looo)x 45 she is a = sem Bh= 5cm Cuven D= 0.8m s=1003 h= 1.2m 0,8m L slant height slant height ý= of th no = love to se e 1985cm depth of centroid ñ= hto smo = list ort smbo = 1.546um

1. a) hydrostatic force F= egañ = (1000 X 1103) (9181) 5 (9,832)x(11546) 7853,60 hydrostatic force TF= 7,854 kn b) centre of gross use Ah Ah yeps ñt Insurance that wou ) esmo) a lesu6t che con8.4 + smo) - I (0.88² x 1,564 1.565m of 1 Centre pressure = 1.565m 1 from top of surface of water

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