Question

Pls answer me for 1 and 2

Answer 1

Answer:

1) increase

2)Evangelista Torricelli

Answer 2

Answer:

(1) The pressure of the liquid column increase with the depth of the column . pressure in a liquid column varies as, p= hpg.

(2) A simple Barometer was first constructed by the Mercury barometer invented by the physicist Evangelista Torricelli in 1643.

(3)Downward force: weight; Upward force offered by liquid is fluids is the buoyant force.

Explanation:

ll. 1 - An atmosphere(atm) is a unit of measurement equal to the average air pressure at sea level at a temperature of 15 degree Celsius(59 degrees Fahrenheit ) . One atmosphere is 1,013 millibars ,or 760 millimiters (29.92 inches) of mercury. Atmospheric pressure drops as altitude increases . I don't know the U- tube I am sorry