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Welcome to Physics JEOPARDY
Gravity
revisited
Circular
Motion
revisited
Universal Law of
Gravity
Circular
motion
Satellite
Motion
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Final Jeopardy Question
Universal law of Gravitation
100 pts
What type of force is gravitation?
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Universal law of Gravitation
100 pts
Answer
An attractive force between
Two objects with mass
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Universal law of Gravitation
200 pts
What happens to the force of
gravity if the distance
between two objects is
decreased by 3 times their
original distance ?
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Universal law of Gravitation
200 pts
Increases nine times
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Universal law of Gravitation
300 pts
What is the universal constant G
equal to, include units?
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Universal law of Gravitation
300 pts
6.67 x 10-11 N m2/kg2
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Universal law of Gravitation
400pts
What value would g
equal on a planet 3
times the size of the
earth but only ½ its
Radius?
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Universal law of Gravitation
400 pts
Answer
117.6 m/s2
Or 12 ge
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Universal law of Gravitation
500 pts
What is the gravitational force on an
1 kg object if it is taken to a planet
300 times the mass of the earth and
10 times the earth’s radius?
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Universal law of Gravitation
500pts
Answer
29.4 N
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Circular motion
100pts
What is the resulting acceleration
Called due to the continuous change in
Its direction called?
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Circular motion
100 pts
Centripetal acceleration
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Circular motion
200 pts
What is the direction of the force of a moving
object in circular motion?
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Circular motion
200pts
Answer
Inwards, Toward the center
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Circular motion
300 pts
What force provides the centripetal force as a car turns
a corner?
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Circular motion
300 pts
Friction
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Circular motion
400 pts
What keeps a cup of water from spilling as it rotates
in a vertical circle at its minimum speed?
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Circular motion
400 pts
Answer
Inertia
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Circular motion
500 pts
A 1 m string can withstand a tension force of
4N. What is the max speed a 1.0 kg object
can travel in a circular path with out breaking
the string?
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Circular motion
500 pts
Answer
2.0 m/s
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Satellite
motion
100 pts
Which of the following are considered
satellites?
The sun, The moon, The earth, Jupiter, The
space shuttle in orbit, direct tv’s space
transmitter
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Satellite motion
100 pts
Answer
All them except the sun
All object that orbit a larger
Body are considered satellites
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Satellite motion
200pts
What force is the cause of all Satellite motion?
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Star Cycle
200pts
Answer
Gravitational Force
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Satellite motion
300pts
If the force of gravity were suddenly turned off
between the earth and the moon what path
would the moon take?
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Satellite motion
300pts
Answer
The moon will move off in a straight
line tangent to its original circular path
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What is the speed of a Satellite 200,000 m
above the earth. The mass of the earth is
5.98 x 1024 m, the radius is 6.38 x 106m and
The universal gravitational constant is
6.67x 10-11 N m2/kg2
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7.8 x 102 m/s
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Calculate the period required for a
.
Satellite
to stay in a circular orbit 500 km
Above the surface of the earth?
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5700s
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How is gravitational force related to
A persons weight
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The weight of a person is equal
To the gravitational force of the earth
on that person
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Doubling a planets mass does what
To the force of gravity?
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Increases it by two
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What happens to the
force of gravity of two
objects if the distance
between them doubles?
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Decreases by a factor of
four
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Which object in our solar
system is the earth more
attracted to .
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The Sun
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Who measured G by measuring
the Force between two masses
in a laboratory?
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Henry Cavendish
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What force does an
object moving 2m/s
in a circular path
with radius 1m
experience?
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4 m/s2
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A tin can whirled around on a
String suddenly breaks; What
Direction will it travel?
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In a straight line
tangent to the original
circular path
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A stopper swung horizontally on
a 2 m string experiences a 10 N
force moving at 2m/s. What is
the mass of the stopper?
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5kg
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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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A 1000 kg car rounds a curve
with a radius of 20m with a
coefficient of friction of .1
between the road and its tires.
What is the maximum speed a
car can move without slipping?
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4.4 m/s
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When was the
internet developed?
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1960’s
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