Which of these is Newton's first law as applied to rotation? a. ...

[beccaep]

Which of these is Newton's first law as applied to rotation?
 a. In the absence of an external interaction, the angular displacement always remains constant.
  b. In the presence of an external interaction, the angular velocity of an object changes.
  c. In the absence of an external interaction, the angular velocity of an object remains constant.
  d. In the presence of an external interaction, the angular velocity of an object remains constant.
  e. Newton's first law applies only to translational motion, not rotation.

Question 2

To open a very heavy door, the best place to push the door is:
 a. half way between the doorknob and the hinge.
  b. at the end of the door where the doorknob is located.
  c. torque, not force, is what matters. Hence, it makes no difference where the force is applied.
  d. near the bottom of the door.
  e. close to the hinges.

[Zebsrer]

Answer to Question 1

c

Answer to Question 2

b