Education - South Africa: Demonstration of Mass and Weight of Objects, and Action of Reactive Forces in Microgravity (Education-SA) - 08.05.15

Overview | Description | Applications | Operations | Results | Publications | Imagery

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The following content was provided by V. N. Ulimov, and is maintained in a database by the ISS Program Science Office.
Experiment Details


Principal Investigator(s)
V. N. Ulimov, S.P. Korolev RSC Energia, Russia

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Sponsoring Space Agency
Russian Federal Space Agency (Roscosmos)

Sponsoring Organization
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Research Benefits
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ISS Expedition Duration
December 2001 - June 2002

Expeditions Assigned

Previous ISS Missions
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Experiment Description

Research Overview
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A visual demonstration to schoolchildren of the difference between an object's mass and weight, action of reactive force, inertia of resting and moving bodies in zero gravity, as well as behavior of an object in zero gravity, as compared with terrestrial gravity environment.

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Space Applications
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Earth Applications
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Operational Requirements
glass and plastic balls, inflatable rubber balloon, paper airplane model, a stick on a rod with a ring and weights, South African flags, key chains, etc.

Operational Protocols
Filming nine video sequences, providing a visual demonstration of: the action of reactive force in zero gravity; the difference between an object mass and weight in terrestrial gravity and zero gravity; the action of inertia of rest and motion in zero gravity; determing an object mass in zero gravity.

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Results/More Information

Video footage taken during the experiment will be used for improving visual aids to make school teaching in South Africa more efficient and encourage schoolchildren to take interest in space exploration.

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Related Websites
Energia - Science Research on the ISS Russian Segment

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image The African educational programs kit.
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