# Gravitational Pull of the Earth: Definition & Overview

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question 1 of 3

### The gravitational pull of the Earth is proportional to _____].

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### 2. _____ was among the first to develop a model for gravity.

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This quiz/worksheet combo is designed to test your knowledge of gravitational pull and its effect on falling objects and orbiting satellites. You must be able to solve sample problems by applying equations discussed in the lesson in order to pass the quiz.

## Quiz & Worksheet Goals

In these assessments you'll be tested on:

• The ability to identify true and false statements about gravitational pull
• The ability to determine the weight, in pounds, of 2,500,000 liters of water with the water having a mass of 1 kg per liter
• The ability to determine how long it will take a rocket shot 176.4 meters into the air to freefall back to the ground
• The velocity the first telecommunications satellite needed to maintain to stay in a low-Earth orbit of radius 5650.45 km

## Skills Practiced

• Reading comprehension - ensure that you draw the most important information regarding the applications of Earth's gravitational pull
• Problem solving - use acquired knowledge to solve gravitational pull practice problems
• Information recall - access the knowledge you've gained regarding what gravitational pull is

To learn more about this subject, review the accompanying lesson called Gravitational Pull of the Earth: Definition & Overview. This lesson covers the following objectives:

• Discuss Newton's model for gravity
• Relate the information this model provides
• Display a diagram and equations expressing this model
• Define gravitational pull of the Earth and how it is calculated
• Provide an example showing the application of the gravitational model equation
• Explain how to determine the time it takes a falling object to reach the earth
• Describe how to determine satellite orbits
• Present the equations used to solve falling object and orbiting satellite problems
• Give details about an experiment that shows how gravitational pull is a weak force
• Reveal why astronauts feel weightless when in orbit
Final Exam
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