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TRANSCRIPT
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Adapted by T. Trimpe http://sciencespot.net/
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Don’t Forget...
Contestants
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RULES 1. You should NOT write your answers
in the form of a question.
2. You DO need to keep track of your score. You do NOT lose points if you
answer incorrectly.
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RULES 3. Your team should answer EACH
question on your whiteboard.
4. We will rotate who has control of the board, choosing the question.
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Motion Name that Force
Newton’s Laws
Calculate this force Units
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Velocity or Acceleration change when….
(name all possibilities)
Motion for $100
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• Speed changes
• Direction changes
• Both speed AND direction change
Back to Game
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What is the acceleration of gravity?
Motion for $200
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Back to Game
9.8 m/s2
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Motion for $300
Draw a distance versus time graph for a stationary object
(Label X & Y axis)
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Back to Game
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Motion for $400
If equal and opposite forces cause no acceleration they
are said to be…
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Back to Game
Balanced
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Daily Double!!
(Worth 1000 points!) How are mass and weight
different?
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Back to Game
• Mass is how much matter an object is made of. It cannot change
• Weight is a force representing the pull of gravity on an objects mass. Weight is variable.
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Name that force for $100
I’m looking to solve for how fast something is traveling, how long it took
or how far it went.
What formula do I use?
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Back to Game
S = d / t
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Name that force for $200
I push and push but this force stops the object from going anywhere, how
frustrating!
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Back to Game
Friction
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Name that force for $300
Newton, a famous physicist discovered this force while sitting in an orchard.
An apple just fell on his head.
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Back to Game
Gravity
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Name that Force for $400
Playing tug of war with my friends you can see this force in action.
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Back to Game
Tension
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Name that force for $500
Our planets orbit around the Sun because of this (these) force(s)
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Back to Game
What is a vacuole Centripetal Force
&
Gravity
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Units for $100
What does “m/s” mean?
AND
What is it a unit of?
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Back to Game
Meters per second
It is the unit for: SPEED
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Units for $200
What does “m” mean?
AND
What is it a measure of?
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Back to Game
Meters
It is a unit of: Distance
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Units for $300
What does “kg” mean?
AND
What is it a unit of?
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Back to Game
Kilograms
It is a unit of:
Mass
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Units for $400
What does “m/s2” mean?
AND
What is it a unit of?
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Back to Game
Meters per second squared
It is a unit of:
Acceleration (velocity)
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Units for $500
What does “N” mean?
AND
What is it a unit of?
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Back to Game
Newtons
It is a unit of:
Force (weight too)
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Newton’s Laws for $100
The harder you pedal a bicycle the faster it will go is which of Newton’s
laws?
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Back to Game
Newton’s 2nd Law
Force=mass / acceleration
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Newton’s Laws for $200
The main reason a person can jump off the ground is
which of Newton’s laws?
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Back to Game
Newton’s 3rd Law
Every action has an equal and opposite reaction
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A hockey puck will slide on the ice for a long time when hit until…
(finish the sentence & tell me the law)
Newton’s Laws for $300
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Newton’s 1st Law
An object stays in motion unless acted upon by an outside force
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Newton’s Laws for $400
Newton’s 2nd Law of Motion
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Back to Game
F = m x a
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Newton’s Laws for $500
What is the weight of a person who has a mass of 40 kg?
Show your work (you can use a calculator)
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F = m x a OR weight = m x a
Weight = 40kg x 9.8 m/s2
Weight = 392 N
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Calculate this Force for $100 Draw a free body diagram for a person pushing a large oven to the left with a push of 10N and a friction force of 7N.
SOLVE FOR THE NET FORCE
Label all of the forces acting on the “box” using arrows of the correct length.
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Friction = 7N Push = 10N
Net Force = 3 N
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Calculate this Force for $200
An object is falling toward the Earth at 9.3 m/s2.
Why is the object NOT falling at 9.8 m/s2?
(Hint: What forces resist an object’s motion in the opposite direction?)
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Back to Game
Air Resistance
Friction
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Calculate this Force for $300
What is the acceleration of a 50 kg object pushed with a force
of 500 Newtons?
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F = m x a F = 500N m = 50 kg
Acceleration = 10 m/s2
(your units must be correct!)
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Calculate this Force for $400
A paratrooper jumps from an airplane and waits 3 seconds before releasing his
parachute.
How far did he fall in those 3 seconds?
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Distance = .5gt2
g = 9.8 t = 3
.5 (9.8) (32)
D = 44.1m
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Calculate this Force for $500
A 60 kg Gila monster on a merry-go-round is traveling
in a circle with a radius of 3 m at a speed of 2m/s
What is it’s centripetal force?
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Fc= m(v2) / r
Fc= 60(22) / 3
Fc = 80N
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How many points do you want to risk?
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A cyclist turns a corner with a radius of 50m, a speed of 10m/s and a force of 240N.
What is the mass of the cyclist and his bike?
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Fc= m(v2) / r
240N = m (102) / 50
Mass = 120kg
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And the winner is …