Space mass and weight:
The geometric region occupied by bodies called as space.
When body changes its position w. r.t. the other bodies, then body is known to be in motion.
Mass and weight
The properties of matter by which the action of one body can be compared with that of another is defined as mass.
m = ρ. ν Where,
ρ= Density of body and
ν= Volume of the body
Weight of body is force with which the body is attracted towards the center of earth.