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Transcript
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 Laws
100 pts
The ability of an object to resist the change
In its motion
Back
Newton’s laws
100 pts
Answer
What is Inertia
Back
Newton’s laws
200 pts
An object in motion will stay in
motion and an object at rest
will remain at rest unless
acted on by an outside force?
Back
Newton’s 1st law
200 pts
What is newton’s first law?
Back
Newton’s laws
300 pts
If an object twice as large as
another object collides with that
object the force exerted on the
larger object will be (larger, smaller
, or the same)
Back
Newton’s laws
300 pts
The Same
Back
Newton’s laws
400pts
An object three times as
large as another object
collides with a smaller
object, the smaller object
has _________ the amount
of acceleration as the larger
one.
Back
Newton’s laws
400 pts
Answer
Three times as much
Back
Newton’s laws
500 pts
A person in space can move to a
certain location by doing what?
Back
500pts
Answer
Throwing an object in the opposite
Direction one wants to move
Back
Vertical forces
100pts
If a rockets mass is 2kg and it has
A thrust of 100 N, what is the net force
acting on the rocket?
Back
Vertical forces
100 pts
80 N
Back
Vertical Forces
200 pts
What is the net force on a 1kg
Balloon that has an upward acceleration
Of 4 m/s2
Back
Vertical Forces
200pts
Answer
4N
Back
Vertical forces 300 pts
What two situations can
occur in an elevator in
order for a persons
apparent weight to
increase?
Back
Vertical Forces
300 pts
An elevator accelerates going upward
And an elevator de-accelerates going
down
Back
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)
Back
Vertical forces
400 pts
Answer
8400 N
Back
Vertical forces
500 pts
What is the thrust of a 50kg
rocket if it is accelerating at
2m/s/s
Back
Our Solar System
500 pts
Answer
600 N
Back
Horizontal forces
100 pts
What is the net force
on a 4000 kg car that
is slowing down at
5m/s/s?
Back
Horizontal Forces
100 pts
Answer
20,000 N
Back
Horizontal Forces
200pts
What is the acceleration of a 2kg
object that has an applied force
of 6000N trying to overcome 4000N
Of friction?
Back
Horizontal Forces
200pts
Answer
1000 m/s/s
Back
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?
Back
Horizontal Forces
300pts
Answer
Zero
Back
What is the force that
opposes motion?
Back
Friction
Back
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?
Back
300 N
Back
What does inertia depend on?
Back
An objects mass
Back
What is the upward support force called
That is always perpendicular to a surface?
Back
Normal Force
Back
A push or a pull?
Back
What is a force
Back
The unit of force
Back
What is a
Newton?
Back
A representation of
forces acting on an
object?
Back
Free body diagram
Back
What two things
does the force of
friction depend on?
Back
Mass
Type of materials in contact
Back
Constant that is determined from
The type of materials rubbing together
Back
Coefficient of friction
Back
What is the coefficient of
friction of an 4kg object
moving at a steady speed
with constant force of
20N?
Back
.5
Back
An 1kg object moving at 32m/s comes to
rest in 4s, what is the coefficient of friction
between the object and the floor
Back
.8
Back
Which is greater static or sliding friction?
Back
Static friction
Back
When was the
internet developed?
Back
1960’s
Back