(...) And if we were talking about a hovercraft in an elevator - I'd be agreeing with you. Dumb pedantry doesn't work here. The **WEIGHT** of the hovercraft is just as important/relevent/applicable as the **MASS** of the hovercraft when we are (...) (22 years ago, 30-Nov-02, to lugnet.robotics)
(...) We're not talking about hovercraft here at -all-. We -are- talking about the assertion that 'mass is equivalent to weight on the planet Earth'. It isn't, ever. A vector is -never- equivalent to a scalar, basic dimensional analysis; basic (...) (22 years ago, 30-Nov-02, to lugnet.robotics)