Rectilinear Motion

Question 1

an area of the mechanics

Answer 1

Dynamics

Question 2

the study of forces acting on a body

Answer 2

Mechanics

Question 3

can be at rest or it could be in motion

Answer 3

physical body

Question 4

the study of the physical body where the forces are not in equilibrium

Answer 4

Dynamics

Question 5

two parts of Dynamics

Answer 5

kinematics & kinetics

Question 6

studies the geometric aspect of motion.

Answer 6

kinematics

Question 7

studies the forces that are responsible for the motion

Answer 7

kinetics

Question 8

one of the first physicist to contribute to the field of dynamics

Answer 8

Galileo

Question 9

was also major contributor to the field of Dynamics when he created the three laws of motion

Answer 9

Isaac Newton

Question 10

is the branch of engineering science that deals with the principles of mechanics along with their applications to engineering problems.

Answer 10

Engineering mechanics

Question 11

The branch of mechanics which deals with the study of bodies in motion

Answer 11

Dynamics

Question 12

foundations of dynamics were laid at the end of the 16th century by _____________.

Answer 12

GalileoGalilei

Question 13

the first to recognize that force is the cause of changes in the velocity of a body, a fact formulated byIsaac Newtonin the 17th century in his second law of motion.

Answer 13

GalileoGalilei

Question 14

compared with statics, dynamics is ______________.

Answer 14

relatively new

Question 15

usually denotes an object of point size

Answer 15

Particle

Question 16

a body whose changes in shape are negligible compared with the overall dimensions of the body or with the changes in position of the body as a whole

Answer 16

Rigid body

Question 17

the motion of a particle along a straight line

Answer 17

Rectilinear motion

Question 18

one of the most common cases of a straight-line motion is that in which the acceleration is ____________.

Answer 18

constant

Question 19

this ratio of the weight divided by the gravitational acceleration

Answer 19

mass of the particle

Question 20

effective force on a particle

Answer 20

resultant force

Question 21

particle accelerated by a resultant force

Answer 21

inertia force

Question 22

The resultant of the external forces applied to a body composed of a system of particles is equivalent to the vector summation of the effectve forces acting in all particles.”

Answer 22

D’Alembert’s principle

Question 23

Alternativeform of Newton’s second law ofmotion, stated by the 18th-century French polymath Jean le Rond d’Alembert

Answer 23

D’ Alembert’s Principles

Question 24

The motion of the body follows a straight-line path

Answer 24

Rectilinear translation

Question 25

if the direction of R varies, although continuing to pass through the gravity center, so will the motion of the body, resulting in a curved path motion known as ______________

Answer 25

curvilinear translation

Question 26

the body will spin about a vertical axis through its center of gravity, but the center of gravity will remain stationary

Answer 26

centroidal rotation

Question 27

combination of translation and centroidal rotation

Answer 27

plane motion