The lift experienced by a helicopter involves an action-reaction ...

[K@]

The lift experienced by a helicopter involves an action-reaction pair of forces between the
 
  A) helicopter blades and the air.
  B) mass of the helicopter and Earth's mass.
  C) weight of the helicopter and atmospheric pressure.
  D) motion of the helicopter relative to the ground below.
  E) any or all of the above

Question 2

A player catches a ball. If action is the force of the ball against the player's glove, reaction is the
 
  A) player's grip on the glove.
  B) glove against the ball.
  C) friction of the ground against the player's shoes.
  D) muscular effort in the player's arms.
  E) none of the above

[shayla]

Answer to Question 1

Answer: A

Answer to Question 2

Answer: B

[K@]

Both answers were spot on, thank you once again

[shayla]

Great! Please up vote