Models of the Solar System & Gravity in the Universe....THE FINALS!!!

Question 1

Kepler's 1st Law states that...

Accepted Answer

Planets have elliptical orbits

Question 2

This is the point of a planet's orbit that is the closest to the sun

Accepted Answer

Perihelion

Question 3

This is the model of the solar system with the sun in the center of things...

Accepted Answer

Heliocentric

Question 4

This is the force of attraction between two objects that results from their masses and distance

Accepted Answer

Gravity

Question 5

This defines the point when a planet is farthest away from the sun in its orbit

Accepted Answer

Aphelion

Question 6

The formula F=G (m1 m2 / r2 ) is the formula for...

Accepted Answer

the Law of Universal Gravitation

Question 7

Ptolemy's geocentric theory was the commonly held belief for 1400 years, which is equal to how many centuries?

Accepted Answer

14

Question 8

What was the same in both Ptolemy's geocentric model and Copernicus' heliocentric model?

Accepted Answer

Uranus and Neptune are not included

Question 9

What is gravity?

Accepted Answer

A force that brings together ALL objects

Question 10

In the diagram below, which has the greater gravitational pull and why?

Accepted Answer

B because they are closer togther AND the top ball is bigger than "A".

Questions 10