11 mark
The diagram shows the relationship between force and extension for a spring.
Which letter on the graph shows the elastic limit of the spring being stretched?
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Forces & Elasticity (OCR Gateway GCSE Physics: Combined Science)
Exam Questions
35 mins7 questions21 mark
A student plots a force-extension graph for a material.
Which row in the table correctly identifies part P and part Q of the graph?
| Part P | Part Q | |
| A | Elastic | Elastic |
| B | Elastic | Plastic |
| C | Plastic | Elastic |
| D | Plastic | Plastic |
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31 mark
What is the minimum number of forces needed to compress a spring?
1
2
3
4
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41 mark
A spring, of spring constant 16 N/m, is stretched by 50 cm.
What is the work done?
2.0 J
8.0 J
12.5 J
25.0 J
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