45 Questions
Who supported the Earth-centered cosmology?
Aristotle
Which philosopher described nature as dynamic and teleological?
Aristotle
Who measured the relative distances from the Earth to the Sun and the Moon?
Aristarchus
Which astronomer made several key discoveries including the four major moons of Jupiter?
Galileo
Who published the Tychonic System, a model of the Solar System?
Brahe
Which two philosophers supported the Earth-centered cosmology?
Plato and Aristotle
What did Aristotle describe as the four inanimate elements in nature?
Earth, water, air, and fire
What did Aristarchus measure the relative distances of?
Earth to the Sun and the Moon
What were the six key discoveries made by Galileo?
The four major moons of Jupiter, the phases of Venus, the changes in apparent sizes of Venus and Mars, the mountains of the moon, sunspots, and the small apparent sizes of the stars
What did Tycho Brahe's Tychonic System model represent?
Objects such as the Moon and the Sun rotating around the Earth, and the planets rotating around the Sun
Which philosopher's teachings on the cosmology of rotating spheres carrying celestial bodies around the central Earth were supported by Aristotle and Plato?
Plato
According to Aristotle, each object in nature tended toward a certain set of ends or goals. What did Aristotle describe as the four inanimate elements in nature?
Earth, Water, Air, Fire
Who described the motions of the heavens in terms of a series of concentric spherical shells with the Earth at the center?
Eudoxus
Who measured the relative distances from the Earth to the Sun and the Moon?
Aristarchus
Who published the Tychonic System, a model of the Solar System that represents the Moon and the Sun rotating around the Earth, and the planets rotating around the Sun?
Tycho Brahe
According to Aristotle, motion can be divided into two classes. What are these two classes?
Natural motion and violent motion
What is the equation for Aristotle's Law of Motion?
V = F/R
Who were the two philosophers whose theories and explanations influenced the concepts of motion accepted today?
Galileo Galilei and Isaac Newton
What is the study of motion or movement and what produces and affects it called?
Mechanics
What are celestial bodies?
Natural bodies outside of the Earth's atmosphere
According to Aristotle, what are the two classes into which motion can be divided?
Natural motion and violent motion
What is the equation for Aristotle's Law of Motion?
V = F/R
Who were the philosophers whose theories and explanations influenced the concepts of motion accepted today?
Galileo Galilei and Isaac Newton
What is the study of motion or movement and what produces and affects it called?
Mechanics
What did Aristotle describe as the four inanimate elements in nature?
Earth, water, air, and fire
According to Aristotle, what is the difference between natural motion and violent motion?
Natural motion is caused by an internal force, while violent motion is caused by an external force.
Which philosopher's theories and explanations influenced the concepts of motion accepted today?
Galileo Galilei
What are celestial bodies?
Natural bodies outside of the Earth's atmosphere
What is the equation for Aristotle's Law of Motion?
$V = F/R$
What is the study of motion or movement and what produces and affects it called?
Mechanics
Which values need to be substituted into the universal gravitation equation to solve for Fgrav?
G, m1, m2, and d
What is the formula to calculate Fgrav?
Fg = G(m1)(m2)/d²
What is the value of Fgrav when G = 6.67 x 10⁻¹¹ Nm²/kg², m1 = 6.0 x 10²⁴ kg, m2 = 7.4 x 10²² kg, and d = 3.8 x 10⁸ m?
2.1 x 10²⁰ N
What is the value of G in the universal gravitation equation?
6.673 x 10⁻¹¹ N m²/kg²
What is the unit for the force of gravity, Fgrav?
Newton (N)
Which equation correctly represents the universal gravitation equation?
$Fg = G(m1)(m2)(d)^2$
What is the value of the gravitational constant, G?
$6.673 x 10^{-11} N m^2/kg^2$
What is the unit for the force of gravity, Fg?
Newton (N)
What is the value of Fg when G = $6.67 x 10^{-11} Nm^2/kg^2$, m1 = $6.0 x 10^{24} kg$, m2 = $7.4 x 10^{22} kg$, and d = $3.8 x 10^{8} m$?
$2.1 x 10^{20} N$
What is the value of Fg when G = $6.673 x 10^{-11} N m^2/kg^2$, m1 = $5.98 x 10^{24} kg$, m2 = $70 kg$, and d = $6.38 x 10^{6} m$?
$686 N$
Which values need to be substituted into the universal gravitation equation to solve for Fgrav?
G, m1, m2, and d
What is the equation for the universal gravitation?
Fg = G * m1 * m2 / d^2
What is the value of Fg when G = $6.67 x 10^{-11} Nm^2/kg^2$, m1 = $5.98 x 10^{24} kg$, m2 = $70 kg$, and d = $6.38 x 10^{6} m$?
686 N
What is the value of G in the universal gravitation equation?
$6.67 x 10^{-11} Nm^2/kg^2$
What is the formula to calculate Fgrav?
Fg = G * m1 * m2 / d^2
Test your knowledge of celestial poles, frame of reference, theories, and 90 degrees with this quiz. Learn key terminology and concepts related to these topics.
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