Newton’s 1st Explaining Inertia.

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Presentation transcript:

Newton’s 1st Explaining Inertia

Toppling Towers Why don’t the blocks ABOVE a card move when the card is pulled out? Write your own explanation in your notebook. Label it as “my idea…”

Watch some more examples of things staying still… https://www. youtube click on the picture to launch video

Newton’s 1st Law things that are stopped stay stopped Write down what Dr. Carlson said, “Things that are moving keep moving things that are stopped stay stopped unless something pushes or pulls on them.”

Toppling Towers Now can you answer? Why don’t the blocks ABOVE a card move when the card is pulled out? When the string is pulled, only the card feels the pull, not the block. So the block stays still.

Watch this MOVING demonstration. There is a coin on top of the car Watch this MOVING demonstration. There is a coin on top of the car. Watch what happens when a force acts on the car, but not the coin… click here Click on the picture to launch video

Why did the coin keep moving Why did the coin keep moving? Turn to your neighbor and see if you can explain.

Why should you always wear a seatbelt Why should you always wear a seatbelt? Turn to another neighbor and explain.

Explain this…

Explain this…

How about a stopping force at 17,000 mph? Click on the picture to launch video

We sometimes call Newton’s 1st Law the Law of Inertia Inertia: things want to keep doing what they were doing EVERYTHING has inertia

See if you can define “inertia” after watching this music video Click on the box to launch video

Write your own definition of inertia in your notebook Inertia is …… An example of inertia is …..

Who is this Newton guy anyway? Click on the picture to launch the video