3.C
4.D if you think about it, all the other measurments include some source of movement, but inches does not.
5. this is true. the reason why is because if something is balance, it is of equal weight, so one cannot move because it is the same weight as the other, if it did move, it would not be balanced.
i hoped this has helped you, if it did, plz mark as brainliest
