Transcript The forks are balanced on a toothpick, what would make them move

Force and Motion Bingo
1. Find someone to answer questions A-Y.
2. Write that person’s name in the box with
the corresponding letter.
3. Do not use your name or the same
person’s name twice.
4. If you do not think their answer is correct,
ask someone else. Because it might
cost you the game.
Teacher Instructions
1.
2.
3.
4.
5.
6.
7.
8.
Have students write a person’s name inside each box.
The student must answer the questions (A-Y) correctly in order to
be “written in” the box.
To play bingo, randomly call out students’ name – index card,
popsicle stick, etc.
When a player shouts BINGO”, have him stand and tell how his
bingo run was made.
Ask the winner to call out the first person’s name on his bingo run.
That player then stands and the bingo winner asks him the
question which he previously answered.
If he does not answer correctly, the BINGO winner does not have a
bingo after all and the game continues.
If he does answer correctly, the winner continues to the next
student.
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
A. The forks are balanced on a
toothpick, what would make
them move or break apart?
Unbalanced forces acting upon the forks and/or the
toothpick
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B. Name the two forces that act upon our
stuff.
Gravity and Friction
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C. Define Velocity
Speed in a given direction
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D. Describe motion in the graph
below
It is not moving; stationary or at rest.
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E. Explain what is happening in the picture below.
Newton’s 3rd law – action/reaction
The cannonball (low mass) is pushed forward and the
cannon (high mass) is pushed backward.
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F. Explain motion in the graph
below.
Motion is constant or steady. Example:
cruise control in your car.
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G. An astronaut’s tool bag floats in
space. Which law explains why
this could happen?
The 1st law or the Law of Inertia
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80N
55N
H.
Movement? _____________
If yes, which direction_______________
Net Force ______________
Movement? Yes
Direction: to the right
Net force: 25N to the right
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I. Describe motion in graph below
The moving object is accelerating
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J. Make a graph that depicts an object that
is decelerating
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K.
.03m/s2
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L. Identify the independent
variable
Time
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M. Which type of experiments
contains a hypothesis, data table
and shows cause and effect?
Experimental
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N. Describe the action and
reaction in the picture below
Action: golf club hitting the golf ball
Reaction: golf ball hitting the golf club
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O. Which does not show a change
in velocity?
1. A car traveling southwest at 68 mph.
2. Your cat running and jumping into the
tree in the front yard.
3. Me running to the cafeteria at a speed of
8 m/s and suddenly decreasing my
speed to 5m/s.
4. A baseball player hitting a homerun.
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P. What would increase this
cyclist’s motion?
Unbalanced forces
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Q. The graph above shows how the momentum of a given mass changes
during a period of motion. According to the information, what is the momentum
in kg m/s at 2.75 seconds?
200 kg m/s
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R. Name the dependent variable in
the graph below.
Rebound Height
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S. A roller coaster is traveling at 10 mps at the top
of a hill. At the bottom of the hill it is traveling 50
mps. It has taken 5 seconds to travel from the top
to the bottom. What is the acceleration?
a= Vf – Vo / t
50mps – 10mps (40)
5 seconds
= 8m/s/s
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T. I throw a Frisbee to my dog
Roxy. She jumps into the air and
catches it (which stops the
horizontal motion of the Frisbee).
This is an example of _____.
Negative acceleration
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U. A force that opposes motion
between two surfaces that are
touching is called
Friction
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V. What is the measure of
gravitational force on an object
called?
??
?? ??
Weight
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W. Did speed and velocity
remained constant?
Speed remained constant.
Velocity changed from north to east.
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X. My dream sports car will be
able to go from 0 to 80 mph in 3
seconds. This is an example of
___.
Positive acceleration
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Y. Name the type of lab:
• If you dropped a basketball and a tennis
ball at the same time, which would hit the
ground first?
• Comparative
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Z. This 65 N puppy is sitting on the
floor. What is the magnitude of the
force that the floor exerts back?
65 N (Newtons)
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AA. What is the average speed
from 2 to 7 seconds in this graph?
Avg speed = total Distance / total Time
Avg speed =
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BB. What is the speed at 15
seconds?
Speed (miles per
hour)
Speed
80
60
40
20
0
0
5
10
15
Tim e (seconds)
76 mph/s
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CC. What is the net force?
100N
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DD. What is the average speed if it
takes 55 min to go 670 miles, then
150 min to go the next 130 miles?
Avg speed = total Distance / total time
Avg speed =
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EE. What force balances gravity
so the bottle doesn’t move?
The force of the bottle pushing back
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Predict which object you think has the
most momentum in column 2.
Hint: Momentum (P) = mass X acceleration
Object
Black bird
Football player
Skier
Predicted order
3
2
1
Mass (kg)
Velocity (m/s)
0.04 kg
19 m/s
100 kg
10 m/s
60 kg
20 m/s
Momentum (kg m/s)
.76 kg m/s
1000 kg m/s
1200 kg m/s
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