Two bodies, A and B, collide as shown in Figures I and II below. ...

[nmorano1]

Two bodies, A and B, collide as shown in Figures I and II below.
 
   
 
   Which statement is true?

   
  a.
  They exert equal and opposite forces on each other in I but not in II.
   
  b.
  They exert equal and opposite force on each other in II but not in I.
   
  c.
  They exert equal and opposite force on each other in both I and II.
   
  d.
  The forces are equal and opposite to each other in I, but only the components of the forces parallel to the velocities are equal in II.
   
  e.
  The forces are equal and opposite in I, but only the components of the forces perpendicular to the velocities are equal in II

Question 2

book is placed on a chair. Then a videocassette is placed on the book. The floor exerts a normal force
   
  a.
  on all three.
   
  b.
  only on the book.
   
  c.
  only on the chair.
   
  d.
  upwards on the chair and downwards on the book.
   
  e.
  only on the objects that you have defined to be part of the system.

[jxjsniuniu]

Answer to Question 1

c

Answer to Question 2

c

[nmorano1]

Thanks for the timely response, appreciate it

[scikid]

TYSM