Chapter 3, Book 2, Section 1,2,3

Question 1

A non-solid state of matter in which the molecules are free to move past each other as a gas or liquid

Answer 1

Fluid

Question 2

The amount of force exerted per unit area of a surface

Answer 2

Pressure

Question 3

The SI Unit of Pressure

Answer 3

Pascal

Question 4

The Light weight pressure caused by the weight of the atmosphere

Answer 4

Atmospheric Pressure

Question 5

The upward force that keeps an object immersed in floating or a liquid

Answer 5

Buoyant Force

Question 6

The Principle that states the buoyant force on an object in a fluid is an upward force equal to the wight of the volume of fluid that the object dipaces

Answer 6

Archimedes Principle

Question 7

The principle that states that the pressure in a fluid decreases in a fluid as the fluids velocity increases

Answer 7

Bernoulli’s Principle

Question 8

An upward force on an object that moves in fluid

Answer 8

Lift

Question 9

The pushing or pulling force exerted by the engine of an aircraft or rocket

Answer 9

Thrust

Question 10

A force to pull the velocity of the flow it opposes the direction of the aircraft and in combination with thrust determines the speed of the airvraft

Answer 10

Drag

Question 11

The principle that states that a fluid in equilibrium contained in a vessel exerts a pressure of equal intensity in all directions

Answer 11

Pascal’s Principle