The mass of a boy is 20kg and the area of the sole of his foot is 0.01m2 . If g=10m/s 2, calculate the pressure exerted on the floor when he is standing on his i) both feet ii) one foot
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1_ pressure =force / area
force = mg=20×10=200N
p=200÷0.01=20000Pa answer
2_p=200/2×0.01=10000Pa answer
force = mg=20×10=200N
p=200÷0.01=20000Pa answer
2_p=200/2×0.01=10000Pa answer
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