100+ Physics Hydrostatics Questions and Answers - 2

Question: 6

Define thrust?

Thrust is defined as the total force exerted by a liquid perpendicular to the entire area. The unit of thrust is newton.

Question: 7

What is a manometer?

A manometer is an instrument used to measure the pressure of a liquid or gas contained in a vessel.

It consists of a U-shaped glass tube open at both the ends.

The tube is partially filled with water.

Question: 8

What are the two types of hydrometers?

The two types of hydrometers are

The constant immersion hydrometer and

The variable immersion hydrometer.

Question: 9

State Archimedes's principle?

Archimedes principles states that when a body is in a liquid it suffers an apparent loss of weight equal to the weight of the liquid displaced by it.

Question: 10

What is one atmospheric pressure?

One atmospheric pressure is the weight of the air exerted over an area of one square metre.