Transcript MidtermJeapardyReview_2013

Jeopardy
May the Force
be with You
Graph that
Thing
Conservation The X-Factor
Laws
The Word Is
Q $100
Q $100
Q $100
Q $100
Q $100
Q $200
Q $200
Q $200
Q $200
Q $200
Q $300
Q $300
Q $300
Q $300
Q $300
Q $400
Q $400
Q $400
Q $400
Q $400
Q $500
Q $500
Q $500
Q $500
Q $500
Final Jeopardy
$100 Question
What law describes
why PSY pushes on the
ground with the same
force (in the opposite
direction) that the
ground pushes back on
him?
$100 Answer
Newton’s 3rd Law of
Motion
$200 Question
What is the mass of an object that
weighs 98 N on Earth?
$200 Answer
10 kg
$300 Question
Which law explains why a person would
keep moving through the windshield of
their car if they got in an accident and
were not wearing a seatbelt?
$300 Answer
Newton’s 1st Law of Motion
$400 Question
Unlike mass, which is the measure of
inertia, this quantity varies depending on
two factors:
1) How massive of an object it is near
2) How far away it is from the object
What is the quantity?
$400 Answer
The gravitational force
$500 Question
Find the centripetal force that acts on
a 50 gram washer being spun
horizontally over Ms. Eddy’s head at
a rate of 8.5 m/s if the length of the
string is 0.9 meters.
$500 Answer
Fc= 4.01 N
$100 Question
Find the velocity of the object in the following
graph.
$100 Answer
10 m/s
$200 Question
Describe the type of motion in the following
graph.
$200 Answer
Accelerated motion
$300 Question
What is the acceleration of the object in
the following graph?
$300 Answer
4 m/s2
$400 Question
Force (N)
Find the mass of the object in the
following graph.
16
14
12
10
8
6
4
2
0
0
1
2
3
4
Acceleration (m/s2)
5
6
$400 Answer
3 kg
$500 Question
Describe how to find acceleration and
displacement from a velocity vs. time
graph.
$500 Answer
Acceleration –slope
Displacement –area
$100 Question
A snowboarder on a half pipe is a perfect
example of conservation of energy. What kind
of energy is at a maximum in location A?
B
B
A
A
$100 Answer
kinetic energy
$200 Question
A 0.25 kg baseball is moving at 90 m/s and
a 5 kg bowling ball is rolling at 20 m/s.
Which ball has a greater amount of kinetic
energy?
$200 Answer
The baseball
$300 Question
What type of energy is at a maximum for
the roller coaster at point W?
$300 Answer
(gravitational) potential energy
$400 Question
At which point will the roller coaster
move the fastest?
X
$400 Answer
Point X
$500 Question
What is the speed a 60 kg person at the
bottom of a slide if he is initially
stationary, the slide is 8 meters high,
and there is conservation of mechanical
energy?
$500 Answer
12.5 m/s
$100 Question
How much power does an object that
does 15 Joules of work in 3 seconds
use?
$100 Answer
5 Watts
$200 Question
How long does it take a car to accelerate
from 10 m/s to 20 m/s at a rate of 2 m/s2?
$200 Answer
5 seconds
$300 Question
What is the acceleration of the box
depicted in the following free body
diagram?
FN=150 N
Fg=150 N
$300 Answer
0 m/s2
$400 Question
What is the average speed of a car that
travels 20,000 meters in 1,000 seconds?
$400 Answer
20 m/s
$500 Question
What is the work required to lift a
9 kg box 4 meters?
$500 Answer
353 Joules
$100 Question
Definition: The sum of all of the forces
acting on an object
$100 Answer
Net Force
$200 Question
Definition: A quantity that has
both magnitude and direction.
$200 Answer
Vector
$300 Question
Definition: The tendency of an object to
resist change in motion.
$300 Answer
Inertia
$400 Question
Definition: The amount of energy
transferred by a force moving and object
through a distance.
$400 Answer
Work
$500 Question
Definition: The sum of kinetic and
potential energy.
$500 Answer
Mechanical Energy
Final Jeopardy
What is the amount of power that is
require to lift a 5 kg object at a rate 2 m/s
for 3 seconds?
Final Jeopardy Answer
98 Watts