Welcome to
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Laws of Motion Jeopardy
Newton’s First
Law
Newton’s Second
Law
Newton’s Third
Law
Horizontal and
Vertical Motion
Math and
Graphs
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
Final Jeopardy
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Newton’s First Law
100
• Question-- What is Newton’s
first law?
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Newton’s First Law
100
• Answer-- A body in motion
tends to stay in motion, a body
at rest tends to stay at rest
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Newton’s First Law
200
• Question-- What will a moving
object do if no force acts upon
it?
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Newton’s First Law
200
• Answer—Continue moving
with a constant velocity
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Newton’s First Law
300
• Question-- What will
happen to a penguin
figurine that starts
moving 30 m/s on a
frictionless surface
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Newton’s First Law
300
• Answer--The penguin will
continue to move at 30 m/s
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Newton’s First Law
400
• Question-- What must happen if
a body is to change velocity?
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Newton’s First Law
400
• Answer-- A force must act upon
the object
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Newton’s First Law
500
• Question-- What is the name of
the property that causes a body
to maintain constant motion
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Newton’s First Law
500
• Answer--Inertia
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Newton’s Second Law
100
• Express Newton’s second law
as an equation
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Newton’s Second Law
100
• Answer-- F=ma
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Newton’s Second Law mass
one
200
• If mass one is double mass two,
and I want mass one and mass
two to accelerate at the same
rate, then the force on mass one
must be _____ the force on
mass two
mass one
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Newton’s Second Law
200
• Answer-- double
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Newton’s Second Law
300
• Question-- If the applied force
is 25 N and the mass is 5 kg
then what is the acceleration?
25 N
5 kg
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Newton’s Second Law
300
• Answer-- 5 m/s2
F=m.a
.
2
25N=5kg 5m/s
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Newton’s Second Law
400
• Question-- What is one newton
equivalent to in SI units? Use
meters, kilograms, and seconds.
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Newton’s Second Law
400
• Answer-- 1N=1kg.m/s2
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Newton’s Second Law
500
• Question-- What goes on the
unlabeled axis if force is constant?
?
time
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Newton’s Second Law
500
• Answer-- Velocity
Constant force causes constant
acceleration which is shown by a
velocity with a constant slope
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Newton’s Third Law
100
• Question-- What is Newton’s
third law?
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Newton’s Third Law
100
• Answer--Every action has an
equal but opposite reaction
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Newton’s Third Law
200
• Question--If I push on the wall
with 100 N of force, how hard
does the wall push on me in
reaction?
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Newton’s Third Law
200
• Answer-- 100 N
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Newton’s Third Law
300
• Question-- Gravity pushes
things down. What is the name
of the opposing force that
pushes things up?
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Newton’s Third Law
300
• Answer-- the normal force
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Newton’s Third Law
400
• Question-- When a fish swims,
what is pushing it forward?
What is the other half of the
action/reaction pair?
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Newton’s Third Law
400
• Answer--The
water pushes the
fish forward, in
reaction to the fish
pushing backward
on the water.
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Newton’s Third Law
500
• Question-- If the box below is
not moving, what is missing
from the free body diagram?
FN= ? N
Ff= 5 N
Fpush= ? N
F= -10 N
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Newton’s Third Law
500
• Answer
FN= 10 N
Ffriction= 5 N
Fpush= -5 N
Fg= -10 N
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Horizontal and Vertical Motion
100
• Question-- If a bullet is
dropped at the same
time that a bullet is shot
horizontally and we
ignore air resistance,
which will hit first?
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Horizontal and Vertical Motion
100
• Answer--Both will hit at the
same time
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Horizontal and Vertical Motion
200
• Question-- Horizontal motion
maintains a constant velocity.
What is the equation for
distance traveled?
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Horizontal and Vertical Motion
200
• Answer– d=v.t
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Horizontal and Vertical Motion
300
• Question-- For vertical motion,
velocity increases at a constant
rate do to gravity. What is the
equation for vertical velocity?
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Horizontal and Vertical Motion
300
• Answer-- v = a . t
or v = 10 . t
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Horizontal and Vertical Motion
400
• Question-- For vertical motion,
velocity increases at a constant
rate do to gravity. What is the
equation for vertical distance if
the object starts with no vertical
velocity?
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Horizontal and Vertical Motion
400
• Answer-- d = ½ a . t2
or d = 5 . t2
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Horizontal and Vertical Motion
500
• Question-- When there is both
initial velocity and acceleration,
what is the combined equation
for distance?
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Horizontal and Vertical Motion
500
• Answer-- d = v0. t + ½ a . t2
v0=initial velocity
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Math and Graphs
100
• Question-- A cart is pushed on a
frictionless surface so that it
travels at 2.5 m/s. How far does
it travel in 3 seconds?
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Math and Graphs
100
• Answer-- 7.5 m
d=v . t
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Math and Graphs
200
• Question-- How far down will a
rock fall in 2 seconds if it is
thrown horizontally with a
speed of 1 m/s?
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Math and Graphs
200
• Answer-- 20 m
d=½ a . t2
a=gravity=10 m/s2
t=time=2 sec
Horizontal velocity does not effect
vertical velocity
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Math and Graphs
300
• Question-- If my weight is 700
N on Earth, what is my weight
on Venus where the force of
2
gravity is 9 m/s ?
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Math and Graphs
300
• Answer-- 630 N
F=ma
.
2
700N=m 10m/s , m=70kg
.
2
F=ma, F=70kg 9m/s =630N
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Math and Graphs
400
• Question-- I have a wagon with
a mass of 5 kg at rest. I want it
to be traveling 8 m/s after 4
seconds of pulling. How much
force do I need to pull with?
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Math and Graphs
400
• Answer-- 10 N
a=v/t=(8m/s)/4s=2m/s2
.
2
F=ma=5kg 2m/s =10N
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acceleration
Math and Graphs
500
• Question-- Is the
applied force
increasing,
decreasing, or
constant?
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time
Math and Graphs
500
• Answer-- The force is
increasing
• F=ma, mass is constant and
acceleration is increasing, so
force is increasing
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Final Jeopardy
• What is the
acceleration?
v
e
l
• What is the
o
c
distance traveled? it
y
• Is the force
applied increasing,
decreasing, or constant?
6
m/s
4
m/s
2
m/s
0
m/s
0 sec
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2 sec
1 sec
time
3 sec
Final Jeopardy
• Acceleration= v/t
=(6m/s)/3sec=2m/s2
• distance= area under the graph
area= ½.base.height=½.3s .6m/s
=9m
• F=ma, acceleration is constant, so
force must be constant
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