Cambridge IGCSE Physics practice

Paper 4 structured question: Effects of forces

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Paper

Marks

Topic

Effects of forces

Exam-style question

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Paper 4Theory (Extended)4 marks

Understanding Material Behavior

Description

Discuss the significance of the limit of proportionality in material science and engineering.

a
Define the term 'limit of proportionality'.
Your answer
Aim for approximately 2 distinct marking points.
[2]
b
Identify the significance of recognizing the limit of proportionality in engineering applications.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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Paper 4Theory (Extended)1 marks

Description

A graph showing the relationship between load applied to a material and the extension it experiences.

a
State the limit of proportionality in the context of a load-extension graph.
Your answer
Aim for approximately 1 distinct marking point.
[1]