Edexcel IGCSE Physics Areas and Volumes
Practise Edexcel IGCSE Physics areas, surface areas and volumes by estimating contact area from grid squares and square side lengths.
- Syllabus
- Issue 4 (2024)
- Course
- Physics 4PH1
Exam points
- Estimate contact area by counting grid squares and multiplying by the area of each square.
5C Areas, surface areas and volumes question 1
A student investigates how much pressure she exerts on the ground when she is standing up.
The student measures the area of one of her feet when it is in contact with the ground. She draws around her foot on a piece of squared paper.
The squares on the paper have a side length of 2 cm.
Estimate the area of the student's foot in contact with the ground.
area = ............ cm^2
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