An equal-armed balance is used to determine when two bodies have the same mass and when the mass of a body is greater than the mass of the other.
(An equal-armed balance; is used; to determine when two bodies have the same mass and when the mass of a body is greater than the mass of the other) (the mass of a body; is; greater than the mass of the other)
An equal-armed balance the mass of a body
is used is
to determine when two bodies have the same mass and when the mass of a body is greater than the mass of the other
greater than the mass of the other