a pin has a diameter of 0.005mm at its sharp end. calculate the pressure exerted when a force of 2.0N is applied to the pin.
d = 5 * 10^-6 meters
area = pi d^2/4 = (pi/4)(25*10^-12)
pressure = F/area = 2 / [ (pi/4)(25*10^-12) ] Newtons/meter^2 or Pascals