Forces & elasticity (Edexcel 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
How many forces are needed to stretch, bend, or compress an object?
How many forces are needed to stretch, bend, or compress an object?
More than one force
What happens if a single force is applied to an object?
What happens if a single force is applied to an object?
The object moves in force direction
In which directions must forces be applied to stretch an object?
In which directions must forces be applied to stretch an object?
Opposite directions
What is deformation?
What is deformation?
A change in shape due to forces
What happens after an elastic deformation when the force is removed?
What happens after an elastic deformation when the force is removed?
Object returns to original shape
What is plastic deformation?
What is plastic deformation?
Permanent shape change
Where is energy transferred when a force stretches or compresses an object?
Where is energy transferred when a force stretches or compresses an object?
Elastic potential energy store
What is the elastic limit?
What is the elastic limit?
Point beyond which no return to 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
If the force on a spring doubles, what happens to its extension?
If the force on a spring doubles, what happens to its extension?
Doubles
What happens after the limit of proportionality is reached?
What happens after the limit of proportionality is reached?
Spring stretches more than expected
How much energy transfers to elastic potential energy in elastic distortion?
How much energy transfers to elastic potential energy in elastic distortion?
All