1.

A physics teacher has a weight of 700 N. What pressure does he exert on the ground if his feet have an area of 0.025 m^2 each?(Remember, he has two feet!)

Answer»

SOLUTION :Weight =Force = 700 N
Total area = `0.50 m^2`
Pressure = `700 N//0.050 m^2` = 14000 PA


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