When the reference frame is a celestial object, Earth for example, the weight of a body is commonly called the local force of gravity on the body.
(the reference frame; is; a celestial object) (the weight of a body; is commonly called; the local force of gravity; T:When the reference frame is a celestial object)
the reference frame the weight of a body
is is commonly called
a celestial object
the local force of gravity T:When the reference frame is a celestial object