A rocket leaves a launch pad at liftoff with a great deal of upward momentum. What was initially given downward momentum?1) the launch pad2) the astronauts aboard the rocket3) the expelled fuel4) the entire Earth

Respuesta :

Answer:

3) the expelled fuel

Explanation:

When the rocket leaves the launch pad, the expelled fuel is burnt, so there are gases going in the downward direction. So they give the initial downward momentum. Therefore, the answer is:

3) the expelled fuel