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direction: fill in the blanks with a sentence.

1) action:________________________
reaction:the nail exert force on the hammer.

2)action:__________________________
reaction:the refrigerator pushes the man backwards.

3) action:the fists exert force on the jaw.
reaction:____________________________

4) action:the book exert force on the table
reaction:___________________________

5) action:___________________________
reaction:the ball pushes the baseball bat. ​