Universal Law of gravitation
Authored by Catherine Thomas
Physics
9th - 12th Grade
NGSS covered
Used 340+ times
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About
This quiz covers Newton's Universal Law of Gravitation, focusing on the fundamental principles that govern gravitational attraction between objects in the universe. Designed for high school physics students in grades 9-12, the assessment evaluates students' understanding of the inverse square relationship between gravitational force and distance, the direct relationship between force and mass, and their ability to apply the gravitational force equation F = G(m₁m₂)/r². Students need to demonstrate mastery of several core concepts: recognizing that gravitational force decreases with the square of the distance between objects, understanding that all objects with mass attract each other, distinguishing between mass and weight, and performing quantitative calculations using the universal gravitation constant. The quiz requires both conceptual reasoning and mathematical problem-solving skills, as students must manipulate algebraic relationships, work with scientific notation, and interpret how changes in mass and distance affect gravitational interactions between celestial and terrestrial objects. Created by Catherine Thomas, a Physics teacher in the US who teaches grades 9-12. This comprehensive assessment serves multiple instructional purposes throughout a unit on universal gravitation, functioning effectively as a formative assessment tool to gauge student understanding before moving to more complex applications like orbital mechanics. Teachers can deploy this quiz as a review session before summative testing, assign it as homework to reinforce classroom learning, or use individual questions as warm-up problems to activate prior knowledge. The varied question types—from conceptual understanding to quantitative problem-solving—make it particularly valuable for differentiated instruction and identifying specific areas where students need additional support. This assessment aligns with NGSS HS-PS2-4 (gravitational interactions) and supports Common Core mathematics standards in scientific notation and algebraic reasoning, helping students build the foundational knowledge necessary for advanced physics topics including planetary motion, tidal forces, and space exploration concepts.
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance?
Tags
NGSS.HS-PS2-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What states that "every object in the universe attracts every other object"?
Tags
NGSS.HS-PS2-4
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Force of gravity is inversely proportional to
Tags
NGSS.HS-PS2-4
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If Earth's mass was cut in half, what would happen to your mass?
Tags
NGSS.MS-PS2-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate the gravitational force between two objects when they are 0.750m apart. Each object has a mass of 5.00kg.
2.96x10-7N
3.00x10-6N
2.22x10-9N
2.23x10-8N
Tags
NGSS.HS-PS2-4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Two objects are attracted to each other with 36 N of gravitational force.
What would the force between them be if the distance between them were doubled?
Tags
NGSS.HS-PS2-4
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the Universal law of gravitation equation?
Tags
NGSS.HS-PS2-4
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