Observing a Motion would be described as giving a frame of reference to a body then measuring the change in position relative to another frame of reference.
To answer a question of what makes an object move would basically be its because of a frame of reference changing relative to your frame of reference. We can also rely on classical Laws like Sir Isaac's.
james lepoidivin
composition
an atom
It will decrease if the object moves upward; decrease if the object moves downward.
Classically speaking, heat always moves from a hot object to a colder object.
acheche
either the light source moves, or the object casting the shadow moves, or the surface that the shadow is projected against moves.
either the light source moves, or the object casting the shadow moves, or the surface that the shadow is projected against moves.
NO it moves from a warm object to a cool object
that the object moves faster than the speed of the waves
james lepoidivin
an atom
composition
an atom
It will decrease if the object moves upward; decrease if the object moves downward.
centripetal
centripetal