Force Diagrams

Atualizado: 1/27/2020
Force Diagrams
Você pode encontrar este storyboard nos seguintes artigos e recursos:
Greenhouse Gases Lesson Plans

Modelagem em Ciência com Storyboard That

De Oliver Smith

Modelar nos permite fazer nosso próprio senso de que e porque algo está acontecendo. Modelos conceituais são representações compartilhadas e explícitas ou analogias de fenômenos e são usados pelos cientistas para ajudá-los a entender o mundo ao nosso redor. Modelos são usados em todas as áreas da ciência e oferecem versões externas de conceitos mentais. Modelos não são uma representação perfeita; eles são uma versão simplificada de um sistema que destaca certas áreas enquanto ignora outras.


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Storyboard Descrição

Force Diagrams | Help students understand force with examples!

Texto do Storyboard

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  • A rocket accelerating upwards
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  • Thrust
  • A boat floating in the water
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  • Upthrust
  • At the bottom of a bungee jump where the person is stationary
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  • Force from the Bungee Cord
  • A person rappelling down the wall of a building with a rope
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  • Pull of the Rope
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  • Push from the Wall
  • Friction
  • The forces are unbalanced as the rocket is accelerating upwards. The thrust must be larger than the weight and the drag. The resultant forces have an upwards direction.
  • Image Attributions:13:13 Abseiling 3 (https://www.flickr.com/photos/schrodingers_duck/3276915554/) - schrodingersduck - License: Attribution (http://creativecommons.org/licenses/by/2.0/)Space Shuttle 30th Anniversary (https://www.flickr.com/photos/gsfc/5613449925/) - NASA Goddard Photo and Video - License: Attribution (http://creativecommons.org/licenses/by/2.0/)volaaaa!!! (https://www.flickr.com/photos/nettaphoto/4695923614/) - nettaphoto - License: Attribution (http://creativecommons.org/licenses/by/2.0/)Boat (https://www.flickr.com/photos/uponnothing/4974487213/) - The Manual Photographer - License: Attribution (http://creativecommons.org/licenses/by/2.0/)
  • Weight
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  • Drag
  • The boat is stationary, so the forces are balanced. The upthrust and the weight of the boat must be equal in magnitude, but opposite in direction.
  • Weight
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  • The person at this point is stationary, so the forces must be balanced. This means the person's weight and the force from the rope must be equal in size, but opposite in direction.
  • Weight
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  • The forces are balanced, as the person is not moving. The vertical component of the pull of the rope and the friction are equal and opposite to the person's weight. The horizontal component of the pull of the rope is equal and opposite to the push from the wall.
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  • Weight
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