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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 cm2
The force is increased by 10 newtons.
The area is increased by 10 cm2
Helen says,
"The pressure decreases by less than 20%"
Is Helen correct?
You must show how you get your answer.
[3 marks]