The water in the plumbing in a house is at a gauge pressure of 350,000 pa. what force does this cause on the top of the tank inside a water heater if the area of the top is 0.9 m2? (ignore atmospheric pressure.)
use P=F/a whereas P= 350000 and a=.9m2 substitute into the formula we get 350000=f/.9m2 multiply .9 on both sides as LHS=RHS WE get 315000 Newtons as the answer
