What pressure is exerted on the bottom of a 0.500 m wide by 0.900 m long gas tank that holds 50-kg of gasoline? Use 720 kg/m3 for the density of gasoline.

1 Answer
P dilip_k
Sep 19, 2017

Area of the bottom of the tank #A ="length"xx"breadth"=0.9xx0.5m^2=0.45m^2#

Force exerted by the weight of of mass #m=50kg# gasoline
#F=mxxg=50xx9.8=490N₹

Hence the pressure at the bottom

#P=F/A=490/0.45~~1088.9N"/"m^2#

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