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Force and Newton's Laws
| Mass: a measure of Inertia | A bursting balloon caught with a high-speed camera. Note that the mass of water moves slowly initially. 1:33 long clip from youtube. Click on the other clips to see more. |
4 Star | |
| Similar to above. Can you repeat it? Also from Metacafe.com | 3 Star | ||
| A short video-clip of the old Table-top Trick. From Metacafe.com | 4 Star | ||
| What is a kilogram? | 4 Star | ||
| Newtons's First Law and Car safety | |||
| Animation of a car crash | What happens a driver in a convertible when a car hits a wall? Newton's First Law, that's what. | 3 Star | |
| Car Safety Ad. Not for the faint-hearted | From google-video. 1 minute. | 4 Star | |
| Another variation | From youtube. 30 seconds . | 4 Star | |
| Cars + brakes + ice = bad news | Because some days you should just have stayed in bed. |
5 Star | |
| Variation of the above with shopping trolleys | You may need to watch this twice. Youtube. 1:30 | 4 Star | |
| Astronaut loses toolbag in space | She is not having a good day. Youtube. 1:20 | 4 Star | |
| F = ma | |||
| Nice introduction of how Inertia plus F = ma is incorporated in car safety. | Part of a wonderful lecture from Dr Kevin McGuigan for the IOP. YouTube. First 7 mins. | 5 Star | |
| Experiment applets | |||
| Wonderful applet - one of the very best! | Add an extra mass - what happens the acceleration? Double the force - what happens the acceleration? You're limited to 5 minutes | 5 Star | |
| Video on how to use the above link effectively | 5 Star | ||
| Useful for explaining why mass must be kept constant in the F=ma experiment | 3 Star | ||
| Forces in one dimension | Play with the different tabs to teach yourself about forces and acceleration. Takes time to figure it out but it's worth it | 5 Star | |
| Forces acting on an accelerating car | Simple animation from absorblearning.com | 3 Star | |
| A karate expert braking blocks with his forehead. Youtube. One minute | 4 Star | ||
| A karate expert who isn't quite as expert as he thinks! - google video | 3 Star | ||
| Newton's Third Law: In space | |||
| Astronauts and Newton's Third Law | Short video clip | 5 Star | |
| Turning a bolt in space | Short video clip | 4 Star | |
| Forces act in pairs | Nice interactive animation | 5 Star | |
| Steering a rocket | Interactive game | 3 Star | |
| The old fire-extinguisher and tricycle demo | Nice short video from MIT tv | 4 Star | |
| So what is the force that pushes up when we sit down on a chair? | Did you know that 99.999999% of matter is empty????? From youtube |
5 Star | |
| Here's another way of looking at it | 4 min video-clip taken from The Elegant Universe. The relevant piece is about 3 minutes in. | 4 Star | |
| Overview of the three laws | Fun interactive cartoons | 5 Star | |
| Friction | |||
| Friction on a molecular level | Friction between two rough surfaces, from absorblearning.com | 4 Star |
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| And from a smooth surface | 3 Star | ||
| The effect of ball-bearings in reducing friction | 4 Star | ||
| The effect of lubrication in reducing friction | 4 Star | ||
| Drag one book over the over and note the temperature change | 4 Star | ||
| Push the book across the table and note the affect of friction. Then get the dog to bring it back | 3 Star | ||
| Working without Friction | One of the first astronauts recalls working without Friction - it's quite difficult, as you would imagine. Audio link. |
4 Star | |
| Nice counter-intuitive demonstration | Interweave the pages from two books and then try to pull them apart. Youtube. 2 mins | 4 Star |
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| Using model-cars to understand Physics | Thanks to Ms Plasse from Greenmount CS in Vermont and her Physics class for recommending this site! | 4 Star |