Required Practical: Investigating Force & Extension (OCR GCSE Physics A, Combined (Gateway Science Suite)): Flashcards
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What does the elasticity practical investigate?
What does the elasticity practical investigate?
Force & extension relationship
Law investigated in elasticity practical
Law investigated in elasticity practical
Hooke's law
Material used in force-extension practical
Material used in force-extension practical
Spring (elastic material)
What is added to the spring in practical?
What is added to the spring in practical?
Masses
What is measured with each mass added?
What is measured with each mass added?
Extension
What shape is the force-extension graph?
What shape is the force-extension graph?
Directly proportional line
What does the gradient of force-extension graph equal?
What does the gradient of force-extension graph equal?
Spring constant
Error cause 1: inaccurate measurement due to
Error cause 1: inaccurate measurement due to
Human error
Error cause 2: stretching spring past its
Error cause 2: stretching spring past its
Elastic limit
What happens to force-extension relationship past elastic limit?
What happens to force-extension relationship past elastic limit?
No longer proportional
What happens to spring after masses removed past elastic limit?
What happens to spring after masses removed past elastic limit?
Doesn't return to original size