Section 2.3 & 2.4 quiz

Beschreibung

Grade 7 Science (Unit D) Quiz am Section 2.3 & 2.4 quiz, erstellt von Oluwaseun Oyedele am 06/02/2020.
Oluwaseun Oyedele
Quiz von Oluwaseun Oyedele, aktualisiert more than 1 year ago
Oluwaseun Oyedele
Erstellt von Oluwaseun Oyedele vor fast 5 Jahre
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Zusammenfassung der Ressource

Frage 1

Frage
Which answer describes compression?
Antworten
  • Compression is a force that acts to squeeze an object
  • Compression is a force that acts to stretch an object
  • Compression is a force that acts to push objects that are in contact in opposite directions.

Frage 2

Frage
Tension is a force that acts to push objects that are in contact with each other in opposite directions.
Antworten
  • True
  • False

Frage 3

Frage
Bending an object is an example of [blank_start]complementary forces[blank_end]
Antworten
  • complementary forces
  • shear
  • structural failure

Frage 4

Frage
An arch can support large loads because _________.
Antworten
  • It spreads the weight throughout it
  • it is
  • it can withstand gravity

Frage 5

Frage
A beam
Antworten
  • is a flat structure that is supported on each end
  • bends when there is too much load in the middle

Frage 6

Frage
What is structural stress?
Antworten
  • when all the forces are acting on an object
  • when there is repeated abnormal use of an object.

Frage 7

Frage
What is structural fatigue?
Antworten
  • when there is repeated abnormal use of an object
  • when a structure can no longer withstand acting on it

Frage 8

Frage
What is structural failure?
Antworten
  • when an object can no longer withstand forces
  • when all forces are acting on an object at the same time
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