the tip of a drawing pin has area of 0.01 m square find the find the pressure exerted by a force of 20 newton is applied by it
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Explanation:
here square
area of square =[ side]^2
= 0.01 X 0 01
= 0.0001
area = 10^-4
force = 20 N
pressure = force/ area
= 20 / 10^ -4
= 20 X 10^4 N/m^2
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