For each of the
following interactions, identify the action andreaction
forces:

a. a hammer hits a nail.
b. earth's gravity pulls down on a book.
c. a helicopter blade pushes
airdownward.

Explanation:

a) Hammer hits a nail

Action: Hammer hitting the nail

Reaction: Nail Hitting the hammer.

B) . Earth's gravity pulls down on a book.

Action: Earth pull downward on the book.

Reaction: The Book pull's the Earth Upward.

C) A helicopter blade pushes  air downward.

Action: Blade push air downward

Reaction: The force in pushes the helicopter upward.

step-by-step explanation:

we are given

we have to simplify it

firstly, we will factor it

now, we can cancel like terms

now, we can combine it

so, we get