evie4321h evie4321h

12-01-2023
Mathematics

Answered

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,
pressure
"The pressure decreases by less than 20%"
Is Helen correct?
You must show how you get your answer.
(2 marks)
=
force
area

Answer :

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