Newton's Three Laws of Motion Lab Activity
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Newton's Third Law of Motion states that whenever Object A exerts a force on Object B, Object B must exert an equal and opposite force on Object A. In other words, if I push on the wall with 5 Newtons of force to the right, the wall must push back on me with 5 Newtons of force to the left. Rocket propulsion systems use Newton's Third Law of Motion. For this part of the lab activity, you will build and fly a rocket. You will then attempt to explain how a rocket is propelled with Newton's Third Law of Motion.
For this mini experiment, you will need the following items:
After collecting the required equipment, design and build a balloon rocket. To build the rocket, tape a straw (I cut my straw short.) to a balloon. Then feed a string through the straw. Blow up the balloon, and let it go. See the video and the image at the right. Make any adjustments in your rocket design necessary to make your rocket go at least 20 feet along the string. |
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After your balloon rocket flies at least 20 feet along the string, answer the question in the document below. Make sure you check back regularly to see your classmates' responses and my comments.
Click HERE if you are unable to see the document below.
Click HERE if you are unable to see the document below.
The lab quiz below is open-book and open-note, and you may work on it with your classmates. However, you have only one chance in which to complete the lab quiz.