Forces & Elasticity (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the term for the change in shape that occurs when forces act on a material?
What is the term for the change in shape that occurs when forces act on a material?
Deformation
What happens to a material after elastic deformation when the force is removed?
What happens to a material after elastic deformation when the force is removed?
Returns to original shape
How many forces are needed to deform a material?
How many forces are needed to deform a material?
More than one
Which type of forces are needed to bend a material?
Which type of forces are needed to bend a material?
Two forces in opposite directions
What type of deformation occurs when two forces pull away from each other?
What type of deformation occurs when two forces pull away from each other?
Stretching
What must be true about the forces used in compression?
What must be true about the forces used in compression?
They must be equal and opposite
What happens to extension if the force is doubled within the elastic limit?
What happens to extension if the force is doubled within the elastic limit?
Extension doubles
What is the key characteristic of inelastic deformation?
What is the key characteristic of inelastic deformation?
Material does not return to original shape
What is the name of the point where elastic behaviour ends on a force-extension graph?
What is the name of the point where elastic behaviour ends on a force-extension graph?
Limit of proportionality
What does a straight line on a force-extension graph indicate?
What does a straight line on a force-extension graph indicate?
Elastic behaviour
What happens to the force-extension relationship beyond the limit of proportionality?
What happens to the force-extension relationship beyond the limit of proportionality?
It becomes non-linear
What happens to a material's internal structure after inelastic deformation?
What happens to a material's internal structure after inelastic deformation?
It has been altered