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Welcome to Keyboarding JEOPARDY
Horizontal forces
Forces
General
friction
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
Newton’s Laws
Vertical forces
100
Final Jeopardy Question
Newton’s 2nd law
100 pts
The Net force acting on an object equals
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Newton’s laws
100 pts
Answer
Mass X Acc.
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Newton’s 2nd law
200 pts
A Net force of 40N acts on an
object that has a mass of 2kg
what is the acceleration of the
object?
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Newton’s 1st law
200 pts
20 m/s/s?
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Newton’s laws
300 pts
A bullet with mass m accelerates
out of a gun at 400 m/s/s fired with
a net force of 800N. What is the
mass of a bullet fired at 200 m/s?
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Newton’s 2nd law
300 pts
The Car has twice the acceleration as the truck
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Newton’s laws
400pts
An object three times as
large as another object
collides elastically with a
smaller object, the smaller
object has _________ the
amount of acceleration as
the larger one.
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Newton’s 2nd law
400 pts
Answer
Three times as much
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Newton’s 2nd law
500 pts
An object with a Net force of ?
Back
500pts
Answer
Throwing an object in the opposite
Direction one wants to move
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Vertical forces
100pts
If a rockets mass is 2kg and it has
A thrust of 100 N, what is its acceleration?
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Vertical forces
100 pts
80 N
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Vertical Forces
200 pts
What is the net force on a 1kg
Balloon that has an upward acceleration
Of 4 m/s^2
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Vertical Forces
200pts
Answer
4N
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Vertical forces 300 pts
What two situations can
occur in an elevator in
order for a persons
apparent weight to
increase?
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Vertical Forces
300 pts
An elevator accelerates going upward
And an elevator de-accelerates going
down
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Vertical forces 400
What is the apparent weight of a
Person who’s mass is 600kg and is
accelerating
Up an elevator at 4m/s/s
(g=10m/s/s)
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Vertical forces
400 pts
Answer
3600 N
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Vertical forces
500 pts
What is the thrust of a 50kg
rocket if it is accelerating at
2m/s/s
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Our Solar System
500 pts
Answer
600 N
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Horizontal forces
100 pts
What is the net force
of on a 4000 kg car
that is slowing down
at 5m/s/s?
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Horizontal Forces
100 pts
Answer
20,000 N
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Horizontal Forces
200pts
What is the acceleration of a 2kg
object that has an applied force
of 6000N trying to overcome 4000N
Of friction?
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Horizontal Forces
200pts
Answer
1000 m/s/s
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Horizontal Forces
300pts
What is the net force on an object
That has an applied force of 50N and is
Moving to the right at a steady spead?
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Horizontal Forces
300pts
Answer
Zero
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What is the force that
opposes motion?
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Friction
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A 10 kg object accelerates at 40m/s/s, an
Has an applied for of 700 N acting on it.
What is the force of friction?
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300 N
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What does inertia depend on?
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An objects mass
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What is the upward support force called
That is always perpendicular to a surface?
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Normal Force
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A push or a pull?
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What is a force
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The unit of force
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What is a
Newton?
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A representation of
forces acting on an
object?
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Free body diagram
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What two things
does friction depend
on?
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Mass
Type of materials in contact
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Constant that is determined from
The type of materials rubbing together
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Coefficient of friction
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What is the coefficient of
friction of an 4kg object
moving at a steady speed
with constant force of
20N?
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.5
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An 1kg object moving at 32m/s comes to
rest in 4s, what is the coefficient of friction
between the object and the floor
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.8
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Which is greater static or sliding friction?
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Static friction
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When was the
internet developed?
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1960’s
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