Answer the following in brief:
 
A person jumps out of a small boat toward the shore. Does the boat remain still or move? Give a reason for your answer.
Answer variants:
action force
backward
Newton’s third law
reaction force
friction force
downward
Yes, the boat will move in the opposite direction, that is backward. When the sailor jumps forward, he applies an
on the boat. According to
, the boat experiences an equal and opposite
which causes it to move
in water.