3: Newton’s Third Law of Motion

3: Newton's Third Law of Motion

Day 1:

Warm Up: Write something fun you did this weekend!

LT: I can explain Newton's Third Law of Motion

Newton's Cradle

THINK independently and then DISCUSS with your group

1. What is happening? 2. Why is this happening? 3. What forces are working?

Newton's Third Law

For every action, there is an equal and opposite reaction.

 UgFT1hRTE4

Action Force

- Initiating force (first force) - Causes the reaction force Ex1 : baseball hitting bat (action), Ex2: Gymnast jumping off beam

FORCES ALWAYS COME IN PAIRS!

Reaction Force

- Reacting force (second force) - Responds to the action force

Ex1 : bat applying force on ball after the ball hits it

Ex2: Beam exerting force on gymnast

FORCES ALWAYS COME IN PAIRS! THERE IS ALWAYS A REACTION FORCE EVEN IF IT ISN'T OBVIOUS

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