4.26. Newton’s Third Law http://www.ck12.org
Vocabulary
- Newton’s third law of motion: Law stating that every action has an equal and opposite reaction.
Explore More
Watch this video about Newton’s third law of motion, and then answer the questions below.
http://www.youtube.com/watch?v=cP0Bb3WXJ_k
MEDIA
Click image to the left for use the URL below.
URL: http://www.ck12.org/flx/render/embeddedobject/82417
- Outline the action and reaction demonstrated by the astronauts in the video. Why does wearing the battery
pack affect the motion of the astronaut named Alexander? - Describe an example of Newton’s cradle.
- How do space vehicles apply action and reaction forces to blast off?
Review
- State Newton’s third law of motion.
- Describe an example of an action and reaction. Identify the forces and their directions.
- Explain why action and reaction forces are not balanced forces.