This tutorial introduces the concept of gravitational acceleration. This tutorial explains the notation, numerical value, and how the numerical value of the gravitational acceleration is obtained.
This tutorial includes two widgets: one where one can see the strength of the acceleration of gravity from any location on Earth, and another one where one can see a comparison of the acceleration of gravity of planets in our solar system to everyday objects, and to other objects in the solar system. The tutorial also includes a pictorial example, along with the widgets, along with links to tutorials to other general Physics concepts, simulations, and student activities.
This is part of The Physics Classroom. This web site also includes interactive tools to help students with concepts and problem solving, worksheets for student assignments, and recommendations for simple introductory laboratories.
6-8: 4B/M3. Everything on or anywhere near the earth is pulled toward the earth's center by gravitational force.
6-8: 4F/M3a. An unbalanced force acting on an object changes its speed or direction of motion, or both.
9-12: 4F/H1. The change in motion (direction or speed) of an object is proportional to the applied force and inversely proportional to the mass.
4G. Forces of Nature
9-12: 4G/H1. Gravitational force is an attraction between masses. The strength of the force is proportional to the masses and weakens rapidly with increasing distance between them.
9. The Mathematical World
9B. Symbolic Relationships
9-12: 9B/H5. When a relationship is represented in symbols, numbers can be substituted for all but one of the symbols and the possible value of the remaining symbol computed. Sometimes the relationship may be satisfied by one value, sometimes by more than one, and sometimes not at all.
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