The diagram shows an open tank containing water. A, B and C are gauges which measure water pressure in the tank. Select the statement which is correct.
The water pressure is greatest at A.
The water pressure is greatest at B.
The water pressure is greatest at C.
The water pressure at A, B and C is the same.
What happens to the readings on the gauges if more water is added to the tank? The readings stay the same all increase all decrease( stay the same, all increase, all decrease ).