chapter 3 book 2

Question 1

nonsolid state in which molecules can move freely past one another

Answer 1

fluid

Question 2

the amount of force exerted per unit area of surface

Answer 2

pressure

Question 3

SI unit of pressure (pa)

Answer 3

Pascal

Question 4

pressure caused by the weight of the atmosphere

Answer 4

atmospheric pressure

Question 5

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

Answer 5

buoyant force

Question 6

principal that states the buoyant force on an object in a fluid is an upward force equal to the weight of the volume of fluid that the object displaces

Answer 6

Archimedes’ Principle

Question 7

Principle that states that the pressure in a fluid decreases as the fluid’s velocity increases

Answer 7

Bernoulli’s Principle

Question 8

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

Answer 8

Pascal’s Principle

Question 9

Upward force on an object that moves in a fluid

Answer 9

lift

Question 10

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

Answer 10

thrust

Question 11

Force opposing motion and along with thrust, this determines the speed

Answer 11

drag