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Q25: Question – Paper 2 – June 2018
Q25: Question – Paper 2 – June 2018
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Question
25) A force of 70 newtons acts on an area of 20 cm^{2}
The force is increased by 10 newtons.
The area is increased by 10 cm^{2}
Helen says,
"The pressure decreases by less than 20%"
Is Helen correct?
You must show how you get your answer.
[3 marks]