Download Fill in the blanks from the following list: constant net straight 1. A

Fill in the blanks from the following list:
constant net straight
1. A moving object travels in a ~~__line at ~ speed unless it is acted on by a force.
Unscramble the word and fill in the blank.
2. A dolphin that jumps out of the water is carried upward by its . (tiraine)
2.1 ARISTOTLE ON MOTION
This section discusses Aristotle and his ideas about motion.
Reading Strategy
Monitoring Your Understanding Preview the key topics in this section. Then list two things you
expect to learn. After reading, state what you learned.
~
I
Who<1"
_...
L.~
3. Aristotle made careful
, collected
, and
all knowledge
of the physical world.
4. Aristotle's
5. What is a force?
approach laid the foundation for Western science.
_
Before You Read
After You Read
6.Vocabulary
What kind of
motion did Aristotle believe occurred without a force? _
Term
Inertia
2.2 GAllLEO'S CONCEPT OF INERTIA
Thissectiondiscusses Galileo andhis ideas aboutforces andmotion.
Before You Read
After You Read
Vocabulary Term
Reading Strategy
)
Net force
~
Predicting Before you read this section, predict the meaning ofthe vocabulary term. After you read, revise
your definition ifyour prediction was incorrect.
Before You Read
After You Read
•
Vocabulary Term
Z(" , Copyright © 2010
Pearson Mechanical
Education, Inc.
Chapter 2 Newton's First Law of Motion-The Law of Inertia 9
equilibrium
CHAPTER 2, Newton's First Law of Motion-The Law of Inertia (continued)
3. Aristotle made careful
of the physical world.
, collected
4. Aristotle's
, and
all knowledge
approach laid the foundation for Western science.
_
5. What is a force?
7. According to legend, what experiment did Galileo perform from the Leaning Tower of Pisa? _
Before You Read
After You Read
Vocabulary Term
Inertia
8. What did Galileo's experiment prove? _
9. Galileo said that a fo~ce is required
to an
object
object
is moving, no force is
Before
You
Readmoving, but once
Afterthe
You
Read
Vocabulary
Term
required
to keep
it moving except for the force needed to __~ _
Net force
10. Galileo noted that a ball rolling down an incline picks up speed. Why do you think this happens?
Before You Read
After You Read
Vocabulary Term
Mechanical equilibrium
11. Explain the property of inertia.
_
12. What invention helped Galileo's ideas reach many people?
_
)
25. True or False: Both pounds and newtons are units of weight. 26.
_
2.3 SPEED
AND
VELOCITY
Stretching
force
is called _ 27. True or False: Units ofweight are units of
force. _
Thissectiondiscusses
speedas thedistance coveredperunitoftimeandvelocityasspeed in aparticular direction.
1
2
Reading Strategy
elSE Guided Reading
Copyright © 2010 Pearson Education, Inc.
_
Datefollowing objects
_ from slowest
Class
Summarizing After reading
this section, rank the
to fastest, with 4 the
fastestName
and I the slowest.
~
_
_
_
Object Rank
Eagle soaring Sprinting rabbit
CHAPTER 2, Newton's First Law of Motion-The Law of Inertia (continued) 35. True or False: Only
Earth
around
theact
Sun
whenrevolving
two or more
forces
on an object can it be in equilibrium. 36. Explain how an airplane flying at
Batted
baseball
constant velocity is in equilibrium.
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13. What term-is
defined as "the distance covered per unit oftime"?
L
a. Velocity
b.Speed
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14. What term is defined as "the distance covered per unit of time in a particular direction"?
a. Velocity
5
b.Speed
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10 elSE Guided
Reading
17
6- Pearson Education. Inc.
Copyright © 2010
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,
15. Define constant velocity.
_
16. Galileo proved that a force was required to get an object moving, but once the object is moving, no
additional force was required (except the force needed to overcome ).
2.4 MOTION IS RELATIVE
This section says that when we are discussing how an object moves, we mean its motion relative to
something else.
Reading Strategy
Summarizing After reading this section, complete the organizer to explain what methods Aristotle
and Galileo used to arrive at their conclusions about motion.
~
Motion II-A_r_is_t_o_tl_e'_s_M_et_h_o_d__'----I-G-a-Jj-le-o-'-s-M-e-t-ho-d------------
17. Which of the following did Isaac Newton achieve in his lifetime?
a.Formulated the law ofuniversal gravitation b.lnvented calculus
Stated the three laws ofmotion
Studied light
Wrote Principia Mathematica Philosophiae Naturalis
Was elected to Parliament
2.5 NEWTON'S FIRST LAW OF MOTION-THE LAW OF INERTIA
Thissectiondiscusses thelaw ofinertia, whichstatesthateveryobjectcontinues inastate ofrestor of uniform
speedin a straight line unless actedon bya nonzero netforce.
Reading Strategy
~
Summarizing After reading this section, state the law of inertia and then explain it in different words.
The Law of Iuertia
State the Law
Explain the Law
18. True or False: Inertia is a kind of force. _
19. True or False: Inertia is a property ofmost matter. _
)
20. Newton's law ofmotion says that when an object is moving, it tends to move along a
______path.
Copyright © 2010 Pearson Education. Inc.
Chapter 2 Newlon's First Law of Motion-The Law of Inertia 11
CHAPTER 2, Newton's First Law of Motion-The Law of Inertia (continued)
21. According to Newton's first law of motion, ifan object is at rest, you have to apply to get it moving.
But once an object is in motion, no force is needeq (except that to overcome any ___--') to keep it
moving.
2.6 NET FORCE-THE SUM OF ALL FORCES ON AN OBJECT
This section discusses netforce, which is the sum ofallforces that act on an ~bject.
Reading Strategy
Predicting Before you read this section, predict the meaning ofthe vocabulary term. After you read,
revise your definition if your prediction was incorrect.
3. Aristotle made careful
, collected
, and
all knowledge
of the physical world.
~
4. Aristotle's
approach laid the foundation for Western science.
_
What
is a force?
22. True or 5.
False:
Objects
can slow down, speed up, or change direction without force being
applied. _
Before You Read
After You Read
Vocabulary Term
Inertiapush a book across a table, what are the forces that act on the book?
23. Ifyou
_
)
Unscramble the word and fill in the blank.
Before You Read
After You Read
24.Instead
ofpounds,thescientificunit
offorceiscalleda .(tonnew)
Vocabulary
Term
Net force
2.7 EQUILIBRIUM FOR OBJECTS
AT REST
Before You Read
After You Read
Vocabulary Term
This section discusses mechanical equilibrium. which occurs when two forces that act on an object are
Mechanical equilibrium
opposite and equal.
Reading Strategy
Predictiug Beforeyoureadthissection,predictthemeaning ofthevocabularyterm.Afteryouread, revise
your definition ifyour prediction was incorrect.
25. True
or False:made
Bothcareful
pounds and newtons
are units of weight. 26.
3. Aristotle
, collected
all knowledge
_ , and
Stretching
force
is
called
_
27.
True
or
False:
Units ofweight are units of
of the physical world.
force. _
~
1
2
4. Aristotle's
approach laid the foundation for Western science.
5. What is a force?
_
elSE Guided Reading
Term
3. Vocabulary
Aristotle
made
careful
Name
Inertia
of the physical world.
4. Aristotle's
_
Copyright © 2010 Pearson Education, Inc.
Before You Read Date
, collected
After _You Read
, and
Class
_
approach laid the foundation for Western science.
CHAPTER 2, Newton's First Law of Motion-The Law of Inertia (continued) 35. True or False: Only
5. What
force?
when
twoisora more
forces act on_Before
an object
You
canRead
it be in equilibrium.
After
36. You
Explain
Read
how an airplane flying at
Vocabulary
Term
constant velocity is in equilibrium.
Net force
Vocabulary
Term,--Inertia
----I
Vocabulary
-L Term
_
all knowledge
Before You Read
Before You Read
After You Read
After You Read
_
28. The forces acting on any
object cancel each other out.
29. Use words to explain the meaning ofthe equation EF ~ O.
_
30. True or False: An object whose motion is changing is in equilibrium. _
2.8 THE SUPPORT FORCE-WHY WE DON'T FALL THROUGH THE FLOOR
This section discusses the supportforce, which is the normalforce that combines with gravity to make the
netforce on an object zero.
Reading Strategy
Monitoring Your Understanding Preview the key concept and figures in this section. Then list two
things you expect to learn. After reading, state what you learned.
~
I
Wh•• I
E_ro L..,. .
Unscramble the words and fill in the blanks.
31. When a book lies at rest on a table, it is in
(imuilbiquer)
)
and the net force on it is zero.
32. Normal force is another term for force. (porptus)
33. The support force plus add mathematically to become zero. (vygirat)
34. When you place a book on a table, the table _ on the book, while the force of gravity on it.
2.9 EQUILIBRIUM FOR MOVING OBJECTS
This section discusses equilibrium for moving objects, which means that an object is in equilibrium ifit
moves steadily without changing its state ofmotion.
Reading Strategy
~
Identifying Main Ideas As you read, write the main ideas for the topic.
Topic
Main Ideas
Equilibrium for moving objects
Copyright © 2010 Pearson Education. Inc.
Chapter 2 Newton'sFirstLaw ofMotion-The Law ofInertia 13
3. Aristotle made careful
of the physical world.
, collected
4. Aristotle's
, and
all knowledge
approach laid the foundation for Western science.
_
5. What is a force?
Before You Read
Vocabulary Term
Inertia
After You Read
Integrated Science-Astronomy: Earth Moves around the Sun
Yousolar
Readsystem and how
Afterpeople
You Read
This section discusses inertiaBefore
and the
once thought that the Sun revolved
Vocabulary Term
around Earth.
Net force
Reading Strategy
Before You Read
After You Read
Vocabulary
Term Yonr Understanding Preview the key concept and figures in this section. Then list two things
~
Monitoring
Mechanical
equilibrium
you expect to
learn. After reading, state what you learned.
I_W_h_a_t_I_E_x--,p,--e_c_t_to_L_ea_r_n_· [_W_h_a_t_I_L_e_a_r_n_ed
-----I
25. True or False: Both pounds and newtons are units of weight. 26.
_
37. TlUeforce
or False:
People
haveTrue
always
believed
thatofweight
Earth revolves
around
Stretching
is called
_ 27.
or False:
Units
are units
of the Sun. _
force. _
38. List the planets that revolve around the Sun in order from the closest to the farthest away from the Sun. _
1
2
elSE
Guided
Reading
39.
TlUe
or False:
Aristotle understood the idea ofinertia. _
Copyright © 2010 Pearson Education, Inc.
_
Date
_
Class
_
Name
40. Ifyou flip a coin in the air as you travel in an airplane, the coin keeps up with you. This is the idea of in
_
_
action.
CHAPTER
WordWise2, Newton's First Law of Motion-The Law of Inertia (continued) 35. True or False: Only
when two or more forces act on an object can it be in equilibrium. 36. Explain how an airplane flying at
Fill in the
blanksistoinsolve
the puzzle below.
constant
velocity
equilibrium.
,----Inet
When -the
Across
4.
mechanical
-L _
force on an object is zero, its state of motion does not change, and we say that it is in
7. A pound and a are both units ofweight, and so both are units offorce.
I
Down
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1. When we know the speed of an object and its direction, we know its _
5
2. is the distance covered per unit oftime.
I-4
state of _
I-5.L It is the net force that
6 - changes an object's
r,3. A is a push or a pull on an object.
6.
17
I
is the property of objects to remain moving if they are moving and to remain at rest if they are at rest.
-
14 elSE Guided Reading
-
."
Copyright © 2010 Pearson Education; Inc.
3. Aristotle made careful
of the physical world.
, collected
4. Aristotle's
, and
all knowledge
approach laid the foundation for Western science.
_
5. What is a force?
Before You Read
Vocabulary Term
Inertia
After You Read
Before You Read
Vocabulary Term
After You Read
Net force
Before You Read
Vocabulary Term
Mechanical equilibrium
)
After You Read
25. True or False: Both pounds and newtons are units of weight. 26.
Stretching force is called _ 27. True or False: Units ofweight are units of
force. _
_
1
2
elSE Guided Reading
Copyright © 2010 Pearson Education, Inc.
_
Date
_
Class
_
Name
_
CHAPTER 2, Newton's First Law of Motion-The Law of Inertia (continued) 35. True or False: Only
when two or more forces act on an object can it be in equilibrium. 36. Explain how an airplane flying at
constant velocity is in equilibrium.
,------I
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-
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-
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Copyright © 2010
- Pearson Education, Inc. Chapter
-
."
2 Newton'sFirstLaw ofMotion-The Law ofInertia 15
_