Chapter 1: Introduction

Question 1

A branch of the physical sciences that is concerned with the state of rest or motion of bodies that are subjected to the action forces

Answer 1

Mechanics

Question 2

A rigid body mechanics that deals with the equilibrium of a body

Answer 2

Statics

Question 3

A rigid body mechanics that is concerned with the accelerated motion of bodies

Answer 3

Dynamics

Question 4

The study of the internal effects of external forces applied to a body

Answer 4

Deformable Body Mechanics

Question 5

Study of fluid behavior at rest and in motion

Answer 5

Fluid Mechanics

Question 6

Archimedes- simple machines

Answer 6

Principle of Lever, Pulley, Inclined Plane and Wrench

Question 7

Galileo Galilei

Answer 7

Experiments on Pendulums and Falling Bodies

Question 8

Isaac Newton

Answer 8

3 Fundamental Laws of Motion and Law of Universal Gravitational Attraction

Question 9

Size of a physical system

Answer 9

Length

Question 10

Succesion of events

Answer 10

Time

Question 11

Time independent

Answer 11

Statics

Question 12

Time dependent

Answer 12

Dynamics

Question 13

Quantity of matter

Answer 13

Mass

Question 14

Push or pull exerted

Answer 14

Force

Question 15

Has a mass but a size that can be neglected

Answer 15

Particle

Question 16

Can be considered as a combination of a large number of particles in which all the particles remain at a fixed distance from one another

Answer 16

Rigid Body

Question 17

Represents the effect of a loading which is assumed to act at a point on a body

Answer 17

Concentrated Force

Question 18

First Law of Motion

Answer 18

An object at rest or in motion will remain in this state unless a force acts on it

Question 19

Second Law of Motion

Answer 19

Force of an object is directly proportional to the mass and acceleration. F=ma

Question 20

Third Law of Motion

Answer 20

For every action, there is an equal and opposite reaction.

Question 21

Property of a body that will determine the body’s acceleration under a given force.

Answer 21

Mass

Question 22

It is the study of energy and forces and their effect on a certain body.

Answer 22

Mechanics

Question 23

It represents the magnitude of the vector.

Answer 23

Length of Arrow

Question 24

The angle between the vector and a fixed axis defines the ____________ of the line of action.

Answer 24

Direction

Question 25

The ___________ of the vector defines the sense of direction.

Answer 25

Arrowhead