Chapter 2

Question 1

Statics

Answer 1

Analysis of loads on physical systems in static equilibrium

Question 2

Equilibrium

Answer 2

The condition in which all forces acting on a body are in balance so the body does not move

Question 3

Structure

Answer 3

Material elements working together to provide stiffness strength stability in order to be held aloft

Question 4

Spatial (spacial orientation)

Answer 4

Transport loads over horizontal or vertical distance

Question 5

Properties (elastic properties)

Answer 5

Rigid or non rigid

Question 6

Typology (historical classification)

Answer 6

Massive structures vs. skeletal structures

Question 7

Deformation (structural behavior)

Answer 7

What is happening within the structure

Question 8

Deformation

Answer 8

A change in shape or size of an object due to an applied force or change in temperature

Question 9

First Law

Answer 9

Law of internal

Sum of all vector forces must equal 0 at rest

Question 10

Second law

Answer 10

Change in velocity
F = ma
F = the resultants
M = body mass
A = acceleration

Question 11

Third law

Answer 11

Equal+ opposite reactions

Question 12

Mass

Answer 12

Measurement of the amount of matter. Something certain

Question 13

Weight

Answer 13

Measurement of the pull of gravity on an object

Question 14

Same line magnitude

Sum of forces

Answer 14

Same direction

Question 15

Same line magnitude

Subtraction of forces

Answer 15

Opposite direction

Question 16

Force vector

Answer 16

Magnitude + direction