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Space Force Diagrams

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Space Force Diagrams
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Introduktion til Forces Lektionsplaner

Introduktion til Kræfter

Af Oliver Smith

Kræfter er skub og træk, der styrer alt i universet. De kan få ting til at bevæge sig, fremskynde, bremse, ændre retning eller endda ændre formen på tingene. Følgende aktiviteter hjælper eleverne med at forstå kraft og bevægelse, så de bedre kan forstå verden omkring dem.




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Introduktion til Kræfter

Storyboard Beskrivelse

Space Force Diagrams force examples comics

Storyboard Tekst

  • 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/)

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