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Graphs of Motion
Motion Notes pp 244-249
Position
Distance
Origin
Speed
Constant
speed
Velocity
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a.
Page 247 Q
1,2
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Page 247 Q
3,4
b.
c.
d.
e.
f.
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MOTION CHALLENGE
A.
Build something that will do ALL of
the following:
•
Speed up
•
Slow down
•
Move at a constant speed
•
B.
C.
D.
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Move away and towards the reference
point
Draw what you did
Make a graph- Data Studio
Put labels on your graph and
drawing and explain how your cart
moved and where it sped up, slowed
down, and moved the same.
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REALISTIC FICTION:
the Story of Caroline and Tim
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Graphs of Motion Without Numbers
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Speed
d
v t
Speed Calculations
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Average Speed
You use the TOTAL distance and TOTAL time to calculate
average speed. (TOTAL = final or overall)
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Motion Graph
Distance (meters)
30
D25
25
C
20
15
0
A
2.
Slowest leg?
3.
Speed from:
15
5
0
0
1
2
3
Time (Minutes)
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Fastest leg?
B
10
5
1.
4
5
4.
•
A- B?
•
B-C?
•
C-D?
Average
Speed?
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Forces and Fan Carts
A.
B.
1
2
3
4
5
6
7
1
2
3
4
5
6
7
C.
D.
1
2
3
4
5
6
7
100
1
2
3
4
5
6
7
Forces Investigation 13A
A.
B.
C.
D.
pg 59 Investigation manual
What are two important properties of forces?
What is a spring scale used for?
How do pounds and Newtons relate? (number)
Block
Force to equal friction force
Friction: Copy this data table:
Alone
1 lab book
2 lab books
3 lab books
4 lab books
E.
F
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a. What happened to the friction force as the weight of
the pulled objects increased?
c. What effect would placing the block on a rougher
surface (such as sandpaper) have on the friction?
G. Answer questions 7 - 9 page 273. Read 270-272 to find
answers.
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CONCLUSIONS
How did changing force
affect acceleration?
F= ma lab worksheet 4/14/11
More force on an object causes
acceleration to speed up. For example, with
one washer the cart was slower but with 5
washers the cart accelerated faster.
In your answer be sure to:
A)
Use pictures
B)
Give examples
C)
Use as much detail as you can
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How did changing the mass
affect acceleration?
Increasing the mass of an object causes
the acceleration to slow down. For
example, with one book the speed was the
fastest but with four books the speed was
the slowest.
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Net Forces Notes P 276-280
1.
Net Force:
• Definition (P 276)
• Picture
3. Definitions: (277)
Equilibrium:
2. What happens
when forces are
NOT balanced?
•(include picture)
4. Free Body Diagram
Page 278
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Net Force:
5. Diagram P 280
6. Question A on P.280
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7. Question B on P 280
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40N
(WEIGHT)
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8. Plane Diagram: What is the
net force? 1200N
3000N
NORMAL FORCE
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1200N
When finished, Work on HW:
Page 281- Questions 3-8
Draw pictures for #s 3, 5, 6, and
8!!!
Answers only, but you must use
a “meaningful phrase”. For
example,
#3. Net force is ___ N to the
____.
#4. Equilibrium means….
4000N
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Net Forces Notes P 276-280
1.
Net Force:
• Definition (P 276)
• Picture
3. Definitions: (277)
Equilibrium:
2. What happens
when forces are
NOT balanced?
•(include picture)
4. Free Body Diagram
Page 278
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Net Force:
Bodies at Rest
A. Newton’s Laws of Motion:
1. First Law: page 289
2. Second Law: page 299
3. Third Law: page 292
B. Data Table
# pennies
Trial 1
Trial 2
Trial 3
Average Distance (cm)
0
1
2
3
4
5
5. Diagram P 280
6. Question A on P.280
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7. Question B on P 280
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8. Plane Diagram:
40N
(WEIGHT)
1200N
3000N
NORMAL FORCE
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1200N
4000N
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Bodies at Rest/ Motion- Discussion
DISCUSSION Write a short paragraph describing your results
in the activity. Include in your paragraph:
E. Bodies in Motion
# marbles
2
Which of Newton’s Laws of Motion does this
activity demonstrate and why? Hint: Look in your
text (Newton’s First Law- page 289; Second Law:
299; Third Law: 292)
5
Which of Newton’s Laws of Motion does this
activity demonstrate and why? Hint: Look in your
text (Newton’s First Law- page 289; Second Law:
299; Third Law: 292)
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Trial 2
Trial 3
Average Distance (cm)
1
D. Bodies at Rest
Describe how increasing the mass (# of pennies)
affects a body at rest (the cup).
G. Bodies in Motion
Describe how increasing the mass (# of marbles)
affects a bodies in motion (force hitting cup).
Trial 1
3
4
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NB 108: Force Review
Life Zones
Normal force
Push of the man
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Weight
Friction
Draw the refrigerator and label the vectors: •Weight
•Friction,
•Push of the man
•Normal force.
1.
Which direction will the refrigerator accelerate?
2.
Why?
3.
What is the net force?
a.
Up and down?
b.
Left and right?
Show math including vectors. Hint: First add up and
down forces, then the left and right
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4. Draw the correct graph for the relationship between
MASS carried by a car and its ACCELERATION.
Label as DIRECT or INVERSE.
5. Draw the correct graph for the relationship between
FORCE on a car and its ACCELERATION. Label
as DIRECT or INVERSE.
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A.U.
1AU
Solar System Ruler
= Astronomical Unit
= distance from the Sun to Earth
≈ 93 million miles
or
≈ 150 million kilometers (149, 597, 870.691km)
0. Sun
(0AU)
My
1. Mercury (0.4 AU)
Very
2. Venus
(0.7 AU)
Educated 3. Earth
(1 AU)
Mother
(1.5 AU)
4. Mars
Solar System in One Page
Asteroid Belt (2-4 AU)
Just
5. Jupiter
(5 AU)
Sent
6. Saturn
(9.5 AU)
Us
7. Uranus
(19AU)
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Noodles 8. Neptune (30 AU)
*. Pluto
(39 AU)
Solar Ruler with colored pictures
Goes in the “pocket”
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