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avatarCannebergeRouge936
Secondary III • 2yr.

Hi,

I'd also like to know what is a constraint?

Science
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  • Explanation from Alloprof

    Explanation from Alloprof

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      avatarMarilee Tteacher check
      Team Alloprof • 2yr. edited September 2021

      Thanks for your question ShyButterfly6490!

      A constraint is the effect of a force. More precisely, the constraints are broken down into five categories:

      • Crushing : The reduction in the size of an object under the effect of a compressive force. For example, cars driving on a road cause asphalt crushing.

      • Elongation (or extension) : The stretching of a body under the effect of a tensile force. For example, pulling on the straps of a heavy plastic bag will cause the bag to stretch.

      • Torsion : Two rotational movements in two opposite directions. For example, the twist of a wet rag.

      • Bending : Several forces exerted in several places on an object cause it to bend. For example, vehicles in the middle of a bridge and its supporting structures cause the bridge to flex.

      • Shear : Two forces exerted in parallel at the same place and in two opposite directions. For example, scissors cause the paper they are cutting to shear.

      Do not hesitate if you have other questions!:)

      Let us know if we can help you with anything else!

      -Marilee

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