Space Force Diagrams
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Introduction aux Forces
Par Olivier Smith
Les forces sont des poussées et des tractions qui régissent tout dans l'univers. Ils peuvent faire bouger, accélérer, ralentir, changer de direction ou même changer la forme des choses. Les activités suivantes aideront les élèves à saisir la force et le mouvement afin qu'ils puissent mieux comprendre le monde qui les entoure.
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Storyboard Description
Space Force Diagrams force examples comics
Texte du Storyboard
- Example
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- A rocket accelerating upwards
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- Thrust
- A Soyuz orbital module in orbit
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- A Soyuz re-entry capsule just after the parachute has been released
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- Drag
- A Soyuz re-entry capsule at rest on the ground
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- Force Diagram
- The Soyuz orbital module is in orbit. Even though it's speed may be constant it's velocity is changing as it changing direction. Forces are unbalanced. The only force acting on the module is its weight.
- Weight
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- Drag
- The Soyuz orbital module is in orbit. Even though it's speed may be constant it's velocity is changing as it changing direction. Forces are unbalanced. The only force acting on the module is its weight.
- Weight
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- The capsule is decelerating so the forces aren't balanced. The drag from the parachute must be larger than the weight of the parachute and the capsule.
- Weight
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- The forces are balanced, as the capsule is not moving. The reaction force acting on the capsule from the ground is equal and opposite to the weight of the capsule.
- Weight
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- Reaction force
- Image Attributions:Soyuz Spacecraft in Orbit (https://www.flickr.com/photos/nasacommons/9457864309/) - NASA on The Commons - License: No known copyright restrictions (http://flickr.com/commons/usage/)Expedition 29 Landing (https://www.flickr.com/photos/gsfc/12866388595/) - NASA Goddard Photo and Video - License: Attribution (http://creativecommons.org/licenses/by/2.0/)Flight: Old and New (https://www.flickr.com/photos/kjfnjy/7201142356/) - Ken and Nyetta - License: Attribution (http://creativecommons.org/licenses/by/2.0/)sky (https://www.flickr.com/photos/onaniena/5832031347/) - ONaniena - License: Attribution (http://creativecommons.org/licenses/by/2.0/)
Attributions D'image
- Expedition 29 Landing - NASA Goddard Photo and Video - (Licence Attribution )
- Flight: Old and New - Ken and Nyetta - (Licence Attribution )
- sky - ONaniena - (Licence Attribution )
- Soyuz Spacecraft in Orbit - NASA on The Commons - (Licence No known copyright restrictions )
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