Find the pressure increase in the fluid in a syringe when a nurse applies a force of 42 N to the syringe's circular piston, r = 1.1 cm
Work:
pressure p = force F/area A
p = 42 N/pi*(0.011 m)^2, where N = Newtons and m = meters
Solution:
p = 1.1 x 10^5 Pa, where Pa = Pascals