All planets move about the Sun in elliptical orbits, having the Sun as one of the foci
What is Kepler’s first law
100
Period of a planet orbiting around the sun.
What is T√r^3/GMs
100
The gravitational force between two objects
What is proportional to the product of their masses divided by the square of the distance between them
100
If The square root of the cubed average distance from the sun divided by the gravitational universal constant times the mass is 65
What is the time that it takes a planet or a stare to revolve around the sun
100
The law of universal gravitation
What is the law that states that objects attract other objects with a force proportional to the product of their masses and inversely proportional to the square of the distance between them
200
An imaginary line from the Sun to a planet sweeps out equal areas in equal time intervals.
What is Kepler’s second law
200
mE=grE^2/G
What is the formula to slove for mE
200
A gravitational field that affects the motions of other objects
What is all objects surrounded by
200
Given the universal gravitational constant, the mass of the earth and the radius of the earth
What is velocity of the sattelite
200
The speed of a satellite orbiting earth is equal to the square root of the universal gravitational constant times the mass of the earth, divided by the radius of the orbit
What is the speed of a satellite orbiting earth equal too
300
The square of the ratio of the periods of any two planets revolving about the Sun is equal to the cube of the ratio of their average distances from the Sun
What is Kepler's third law
300
Speed of a satellite orbiting earth
What is the formula v=√GmE/r
300
gravity
What is an attractive field force that acts between objects with mass.
300
Given:2π times the square root of the radius, the orbit the universal gravitational constant and the mass of Earth
What is the period
300
A simple balance
What is used to measure gravitational mass
400
The force of attraction between two objects must be proportional to the objects’ masses
What is the gravitational force
400
Period of a satellite orbiting earth
What is the formula T=2pi√r^3/GmE
400
The shape of the elliptical orbit is defined by eccentricit
-Farthest distance from the sun = aphelion
- closest distance to the sun = perihelion
What is the shape of the orbits of planets in the solar system?
400
Given universal gravitational constant, the object’s mass.
What is missing in order to figure out the Gravitational field
400
deflection of light by massive objects
What is predicted by Einsteins theory of relativity
500
objects attract other objects with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between them
What is law of universal gravitation
500
GRAVITATIONAL FIELD
What is the formula g=Gm/r^2
500
Determined the value of G, confirmed Newton’s prediction that a gravitational force exists between two objects, and helped calculate the mass of Earth.
What is Cavendish’s investigation
500
Given: the net force exerted on the object divided by the acceleration of the object.
What is the internal mass
500
Brahe
What is the name of the man Johannes Kepler assisted