Reaction to Forces (Leaving Cert Construction Studies): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
How do materials respond when forces are applied to them?
How do materials respond when forces are applied to them?
By changing their internal structure
What does elasticity describe in a material?
What does elasticity describe in a material?
Capacity to return to original shape
What type of deformation occurs when forces exceed a material's elastic limit?
What type of deformation occurs when forces exceed a material's elastic limit?
Plastic deformation
What is the formula for calculating elasticity?
What is the formula for calculating elasticity?
What two factors increase the amount of deflection in a beam?
What two factors increase the amount of deflection in a beam?
Length of span and applied force
What type of stress does the top surface of a deflected beam experience?
What type of stress does the top surface of a deflected beam experience?
Compression
What type of stress does the bottom surface of a deflected beam experience?
What type of stress does the bottom surface of a deflected beam experience?
Tension
What stress condition exists in the middle section of a deflected beam?
What stress condition exists in the middle section of a deflected beam?
Relatively neutral with minimal stress
Which are examples of steel beam profiles that optimise structural efficiency?
Which are examples of steel beam profiles that optimise structural efficiency?
I-beams and channel sections
What principle explains force equilibrium in structures?
What principle explains force equilibrium in structures?
For every action, equal opposite reaction