Two cars collide head-on. At every moment during the collision, ...

[jjjetplane]

Two cars collide head-on. At every moment during the collision, the magnitude of the force the first car exerts on the second is exactly equal to the magnitude of the force the second car exerts on the first. This is an example of
 
  A)
 
  Newton's first law.
 
  B)
 
  Newton's second law.
  C)
 
  Newton's third law.
 
  D)
 
  Newton's law of gravitation.

Question 2

For a forced vibration, the amplitude of vibration is found to depend on the
 
  A)
 
  sum of the external frequency and the natural frequency.
  B)
 
  difference of the external frequency and the natural frequency.
  C)
 
  product of the external frequency and the natural frequency.
  D)
 
  ratio of the external frequency and the natural frequency.
  E)
 
  ratio of the natural frequency and the external frequency.

[leahm14]

Answer to Question 1

C

Answer to Question 2

B

[jjjetplane]

TY

[leahm14]

You're welcome