Mass & Weight

(17) Mass
A brief explanation of mass, including inertia, as well as how mass is measured on the space station and the difference between gravitational mass and inertial mass. Source: Dr. David P. Stern of the NASA Goddard Space Flight Center.

Introduction to Physics Concepts: 4e. Mass and Weight
A brief, simple explanation of the difference between mass and weight provided by Beyond Books, a publisher of educational materials.

Your Weight On Other Worlds
Find out how much you would weigh on other planets, moons, and stars. Go down the page to “What Is Going On?” to read an explanation about the differences between mass and weight. Source: San Francisco’s Exploratorium.

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Last Updated: September 9, 2008