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Transcript
Welcome to Physics JEOPARDY
Energy/
Work
Mathematical
tools
Motion
100
100
100
100
100
200
200
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200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
Forces
Momentum
Final Jeopardy Question
Mathematical Tools
100 pts
Put 546,000 into correct scientific notation
and indicate how many sig figs it has.
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Mathematical Tools
100 pts
Answer
5.46 X 105
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Mathematical Tools
200 pts
What is the difference
between a scalar and a vector
quantity?
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Mathematical Tools
200 pts
A vector has magnitude and direction
A scalar has only magnitude
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Mathematical Tools
300 pts
Which of the following are vector
quantities
a. veloctiy b. mass c. weight d.work
e. energy f. force
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Universal law of Gravitation
300 pts
Velocity, Force and Weight
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Mathematical Tools
400pts
5m North + 6m East
Find the resultant
displacement?
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Mathematical Tools
400 pts
Answer
7.8 m at 40
N of east
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Mathematical Tools
500 pts
5N
20
Find the horizontal component
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Mathematical Tools
500pts
Answer
-4.7N
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motion
100pts
What is the average speed of a car who
Traveled 20 m in 5seconds
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motion
100 pts
20 m/s
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motion
200 pts
What is the direction of the force of a moving
object in circular motion?
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motion
200pts
Answer
Inwards, Toward the center
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motion
300 pts
A ball thrown downward with a speed of 11
m/s at a height of 10 m. How much time
does it take for the ball to strike the ground?
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motion
300 pts
.7s
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motion
400 pts
What variable should go on the y axis if the objects
motion in the following graph is non zero and has a
constant velocity.
t
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motion
400 pts
Answer
(D) Position
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motion
500 pts
What variable should go on the y axis if the objects motion in
the following graph is non zero and has a constant velocity
t
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motion
500 pts
Answer
(V)
Velocity
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Forces
100 pts
What is the unit for force?
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Forces
100 pts
Answer
A Newton (N)
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Forces
200pts
What force is the cause of all Satellite motion?
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Forces
200pts
Answer
Gravitational Force
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Forces
300pts
A 15kg ball moving at 2m/s comes to a stop in
3seconds. What is the average force on the
breaks?
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Forces
300pts
Answer
10 N
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Forces
400pts
What are the forces acting on a
object that moves at a constant
speed on a frictionless surface?
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Forces
400pts
A downwards Gravitational force
And an upwards normal force
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Force
500pts
An object is pulled at a constant speed
with
. an applied force of 6 N at a angle with
the ground of 30 degrees. What is the
friction between the ground and the object?
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5.2N
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When is momentum conserved?
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All the time
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Which has the greater momentum a large va
Or a small compact car moving with the sam
Velocity?
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The Van
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A 1 kg ice puck moving
at 10 m/s comes to rest
in 5 seconds? What is
the change in
momentum?
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10 kg m/s
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A 1 .kg ice puck moving at 10 m/s comes to rest in
5 seconds. What is the force acting on the puck?
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2N
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A 1 g bullet is fired into a 2kg
block of wood with a initial
velocity of 100m/s sitting on a
frictionless surface? What is the
final velocity of the bullet and
the block of wood?
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.5m/s
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When is energy
conserved?
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All the time, it is just
transferred from one
form to another
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Which of the following are
measured in joules?
a.Energy b.Power c.Work
d.Force
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Work and Energy
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A 100kg car moving at 4m/s has
how much K.E.?
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800J
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What is centrifugal force?
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A fictitious force made
up by people to
explain something
they don’t understand
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How much Power is necessary to
lift a 2kg block up a flight of 10
steps in 2 seconds. Each step is
10cm tall?
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9.8 Watt
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When was the
internet developed?
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1960’s
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