SI units

SI units problem 25

    • Define pressure.

    • Use the answer to (a)(i) to show that the SI base units of pressure are

  • A horizontal pipe has length and a circular cross‑section of radius . A liquid of density flows through the pipe. The mass of liquid flowing through the pipe in time is given by:

    where and are the pressures at the ends of the pipe and is a constant.

    Determine the SI base units of .


main author and content editor: Joanah Frank