Forces & Elasticity (AQA GCSE Physics Combined Science): Flashcards
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Practise the cards
14 cards from this deck
Deformation
Deformation
Change in shape when forces act on materials
Elastic deformation
Elastic deformation
Material returns to original shape when force removed
Inelastic deformation
Inelastic deformation
Material stays changed permanently
Minimum forces needed for deformation
Minimum forces needed for deformation
More than one (at least two forces)
Bending (type of deformation)
Bending (type of deformation)
Two forces in opposite directions (clockwise & anticlockwise)
Stretching (type of deformation)
Stretching (type of deformation)
Two forces pulling away from each other
Compression (type of deformation)
Compression (type of deformation)
Two equal forces pushing towards each other
What elastic materials do when force is removed
What elastic materials do when force is removed
Return to original shape
Force & extension relationship for small forces
Force & extension relationship for small forces
Directly proportional
What inelastic materials do when force is removed
What inelastic materials do when force is removed
Stay permanently changed
Limit of proportionality
Limit of proportionality
Point where elastic behaviour ends on force-extension graph
Shape of force-extension graph in elastic region
Shape of force-extension graph in elastic region
Straight line
Force-extension beyond limit of proportionality
Force-extension beyond limit of proportionality
Non-linear
Deformation type after limit of proportionality
Deformation type after limit of proportionality
Inelastic deformation