22. What action-reaction forces are involved when a rocket engine fires?
Action Force:
Reaction Force:
23. When an action force occurs, the reaction force is always
a. in the same direction as the action force
b. equal and opposite to the action force
c. applied to the same object as the action force
24. When you stand on the floor, the force of your body pushing down on the floor is
a. matched by the floor pushing up on your body
b. less than the reaction force applied by the floor
c. a reaction to the floor pushing up
25. When a kangaroo jumps, the kangaroo's action force acts on the ground and the reaction
force
a. is exerted by the ground
b. acts on the kangaroo
c. is greater than the action force