AP EAMCET Engineering 17 Sep 2020 Shift 1 Paper

When a vessel containing a fluid of density ρ upto height h is accelerated downwards with acceleration a0, then net gravitational acceleration acting on the fluid
g′=g−a0.....(i)
Hence, the pressure by the fluid at the bottom of vessel is given as
p=p0+ρg′h=p0+ρ(g−a0)h[ From Eq. (i) ]