Using Newton's first law, describe the motion of a body is moving ...

[cabate]

Using Newton's first law, describe the motion of a body is moving in the absence of any net external force.
 
  What will be an ideal response?

Question 2

The orbits of most asteroids
 
  A) lie beyond Neptune.
  B) lie entirely beyond the orbit of Mars.
  C) cross the orbit of Mars.
  D) cross the orbit of Earth.
  E) cross the orbits of all four terrestrial planets.

[aliotak]

Answer to Question 1

in a straight line at constant speed forever

Answer to Question 2

B