We can also calculate E by using formula f- pgh directly:
I×hit TI
i→ !i¥¥¥÷÷÷÷.-
-- -- -
L
d.F'
= dix E + digsdfx =
- pgh -b -Cds use ) dis -- - eghb . @ s Sino )nay Tx
= -pghb - dy = - eghb . dx
Total Force applied on the surface : II'
= R,i t Ry j
Rx -- f dex = f - pgh b . dy ← h -- htt'T
= J÷eg( hit H -D)bdy = -fegb . htt tpsb HI )- -
Ry= fdfy = J - pgh.to . dx
E Fs
= E-fglh ,+ H - fix,) bdx ← h = hit H - fun
=- Eg h .
.Lt pg b - J! (H- fix) dx )IT ater
mg
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