Angular Kinematics
Orbital speed
Gravitation
History
Misc
100
As the rotational speed of a space habitat increases, the weight of people inside will
Increase
100
The speed of a satellite in a circular orbit is _____.
What is constant
100
Which is greater the force of gravity between the sun and the earth of the earth and the sun
they are equal
100
The polish astonomer published a "On the Tevolutions of the Heavenly Spheres"
Who is Copernicus
100
Force of gravity acts over a distance making it a _____ force
field
200
Angular speed is _____
What is consant
200
The speed of a satellite in an elliptical orbit is _____.
What is not constant or changing
200
Wich is greater the force of attraction between the sun and the earth of the moon and the earth?
sun and the earth
200
In Ptolemy's theory planets trveled in small circles called this
What are epicycles
200
Force of gravity is a type of ________ force
What is centripetal
300
Suppose a huge rotating cloud of particles in space gravitates together to form a dense ball. As the cloud shrinks in size it rotates _____.
What is faster
300
The higher a satellite is in orbit the ______ its speedwill be
What is less
300
If an object is moved three times farther from another object the force of gravity will be
1/9th as great
300
This scienctist determined experimentally the value of the universal constant of gravitaiton
Who is Cavendish
300
If you stood atop a ladder on Earth that was as tall as Earth's radius your weight atop the ladder would be _____.
1/4 as great
400
As the radius of a rotating object increases its centripetal force will
decrease
400
The higher a satellite is in orbit the ______its period will be
What is greater
400
Newton's law of gravition is ______ with Kepler's laws
What is consistent
400
This astronomer determined planets travel in an elliptical path rather than a circular one.
Who is Kepler
400
In Kepler's third law the mass used in the calculations is the mass of the _____ object
What is central
500
The reason why an object rotating in a circle is not pulled inward is because of this tendancy of matter.
What is inertia
500
The orbital speed of an object is also known as its ______
What is tangential velocity or speed
500
The masses of two object are halved, the force of attratcion between them will be
1/4 as great
500
Kepler used the observations and data of this atronomer to develop his three laws of planetary motion
Who is Brahe
500
If our sun where to become a black hole, (no this will never happen) the earth will _____
Continue to orbit as it does now. The mass of the balck hole will be the same as the mass of the sun now so the force of gravity will remain the same.
M
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