Forces & elasticity (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
How many forces are needed to change the shape of an object?
How many forces are needed to change the shape of an object?
More than one force
In which direction must forces act to stretch an object?
In which direction must forces act to stretch an object?
In opposite directions
What is deformation?
What is deformation?
Change in shape due to forces
What happens in elastic deformation after force is removed?
What happens in elastic deformation after force is removed?
Object returns to original shape
What happens in plastic deformation after force is removed?
What happens in plastic deformation after force is removed?
Does not return to original shape
What is the relationship between extension and force in springs called?
What is the relationship between extension and force in springs called?
Hooke's Law
Where is energy transferred when a spring is stretched?
Where is energy transferred when a spring is stretched?
Elastic potential energy store
What is the elastic limit?
What is the elastic limit?
Point where object won't return to original shape
How much energy goes to elastic potential energy if elastically distorted?
How much energy goes to elastic potential energy if elastically distorted?
All the energy
What happens beyond the limit of proportionality?
What happens beyond the limit of proportionality?
Spring stretches more than expected
What is done when a force stretches or compresses an object?
What is done when a force stretches or compresses an object?
Work
What does a fixed point provide when a force stretches an object?
What does a fixed point provide when a force stretches an object?
A counteracting force