In what kind of path would the planets move if no force acted on ...

[panfilo]

In what kind of path would the planets move if no force acted on them?
 
  A) Parabolas, like a thrown rock.
  B) Straight line with an acceleration of 10 m/sec2.
  C) Straight line with no acceleration.
  D) Larger elliptical orbits.
  E) They would continue in their present orbits, since they already have no force on them.

Question 2

An object is moving with constant non-zero velocity. Which of the following statements about it must be true?
 
  A) The net force on the object is zero.
  B) A constant force is being applied to it perpendicular to the direction of motion.
  C) A constant force is being applied to it in the direction opposite of motion.
  D) A constant force is being applied to it in the direction of motion.
  E) Its acceleration is in the same direction as it velocity.

[Tonny]

Answer to Question 1

C

Answer to Question 2

A