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Moments

Law of the Lever Move the Newton-meter and note that it changes reading. Also useful to explain the concept of 'perpindicular distance'. 3 Star
  Basic applet 3 Star
       
Torque - a steering wheel
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Basic diagram from absorblearning.com 3 Star
Torque - with a nut
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Basic diagram from absorblearning.com 3 Star
       
An object is balanced if the centre of gravity is over the base
 
Nice Centre of gravity demonstration
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Cool party trick, and all you need is a fork, knife, glass and a match. From youtube. Annoy your teacher enough and he (she) might let you try it in class Five Star
Did you know that walking is merely the process of not falling over: It's actually a very unnatural act
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First Steps: Watch as a baby tries to get the hang of this. From Videogoogle Five Star
As soon as you lift one leg you are in unstable equilibrium and will fall over unless you put another foot out to stop your fall. Then repeat
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This is a similar video from youtube. Notice how quickly Enrique manages to make this walking business look 'normal'. Five Star
Robot Walkbot
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Now getting a robot to walk down a stairs is impressive. From Youtube Five Star
Bird Moonwalking
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Is is what it says it is . . . Youtube 1 min Five Star
And this is a little different - the lyre bird is a wonderful mimic.
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Youtube 3 mins