Do action reaction forces act on the same body?

Action and reaction forces act on

Action and reaction forces act on

Do action and reaction act on the same body?

Do action and reaction act on the same body or different bodies ? How are they related in magnitude and direction ? Are they simultaneous or not ?

(a)Forces of action and reaction are always equal and opposite. Is it true? (b)Do forces of action and reaction act on the same body or on two different bodies?

If action and reaction were to act on the same body

The action and reaction forces act on