The box exerts a force of 180 newtons on the floor.
The box exerts a pressure of 187.5 newtons/m2 on the floor.
Work out the value of x.
Worked Solution & Mark Scheme (3 marks)
Area = 180 ÷ 187.5 = 0.96 m² M2
1.2x = 0.96 ⇒ x = 0.96 ÷ 1.2 = 0.8 A1
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Free Printable Pressure PDF Worksheets, Revision Guide & GCSE Past Paper Questions (Grade 5)
Download free pressure worksheets (PDF), GCSE maths past paper questions and worked solutions for Pressure (5AA). This is a Grade 5 ratio & proportion topic from the GCSE questions by topic collection for Foundation and Higher tier crossover GCSE Maths (Edexcel, AQA, OCR and IGCSE).
The free PDF worksheets table below brings together printable question booklets (Qs) and worked answers or mark schemes (Ans) from Maths Genie, Corbett Maths, Maths Made Easy, Dr Frost, Metatutor, GCSE Maths Rocket, E Classroom and PMT, along with past paper question booklets.
Below the worksheet links you can read our pressure revision notes and worked examples with diagrams, try real GCSE past paper pressure questions with step-by-step solutions, or download a PDF of all pressure worksheet links.
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GCSE past paper questions & solutions
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Graded exam questions & solutions
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Practice Questions & answers
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Textbook Exercise & answers
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MME worksheet & model answers
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GCSE worksheet & solutions
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Topic worksheet & worked solutions
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Practice questions & answers
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GCSE topic booklet & answers
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PMT (Edxl)
Edexcel GCSE topic questions & solutions
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PMT (AQA)
AQA GCSE topic questions & solutions
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PMT (IGCSE)
Edexcel IGCSE topic questions & solutions
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Online topic notes & examples
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Explanation:
Pressure, force and area are linked by Pressure = ForceArea, Force = Pressure × Area, and Area = ForcePressure. Force is measured in Newtons (N) and area in m2 or cm2, giving pressure in N/m2 (Pascals, Pa) or N/cm2.
Remember that Area is only the flat contact area touching the ground, not the total surface area of the 3D object. A smaller contact area produces a greater pressure for the same force.
Example 1: A crate of weight 1080 N rests on a rectangular base measuring 1.5 m by 0.8 m. Work out the pressure on the floor in N/m2.
Solution:
Example 2: A cylinder of radius 4 cm stands flat on a table and exerts a pressure of 2.5 N/cm2. Find the force exerted on the table (to 1 d.p.).
Solution: