Find the pressure exerted at the tip of a drawing pin if it is pushed against a board with a force of 20N. Assume the area of the tip to be 0.1mm2.
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force=20N
area =0.1mm²=
0.1/10000
=0.00001m²
pressure =Force/Area
=20/0.00001 Pa
area =0.1mm²=
0.1/10000
=0.00001m²
pressure =Force/Area
=20/0.00001 Pa
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