Chapter 11 Study Guide

Question 1

is equal to the force exerted on a surface divided by the total area over which the force is exerted

Answer 1

pressure

Question 2

the SI unit of pressure - N/m 2

Answer 2

pascal

Question 3

a material that can easily flow

Answer 3

fluid

Question 4

an instrument that is used to measure atmospheric pressure

Answer 4

barometer

Question 5

an object’s mass per unit volume

Answer 5

density

Question 6

water and other fluids exert this force on submerged objects

Answer 6

buoyant force

Question 7

states that the buoyant force acting on a submerged object is equal to the weight of the volume of the fluid displaced by the object

Answer 7

Archimedes’ principle

Question 8

states that pressure increases by the same amount throughout an enclosed or confined fluid

Answer 8

Pascal’s principle

Question 9

uses liquids to transmit pressure and multiply force in a confined fluid

Answer 9

hydraulic system

Question 10

states that the faster a fluid moves, the less pressure the fluid exerts

Answer 10

Bernoulli’s principle

Question 11

an upward force

Answer 11

lift