manmade
Viscous drag
Friction is holding immobile objects in place.
that is called personafication!
All objects accelerate if the forces acting on them are not balanced.
Objects will accelerate if there is a net force acting on them.
This is called personification, or sometimes anthropomorphism.
dvv
A change in an objects velocity is called acceleration. Velocity is defined as an objects speed of travel AND its direction of travel. Acceleration can change only an objects speed, only its direction or both. If there is no acceleration acting on the object, then the velocity remains constant.
The practice of ascribing human characteristics to animals is called anthropomorphism,or Pathetic fallacy.
Have human or human made objects travel to neptune
gravity