Acrobat walks on a wheel. Fun physical experience at home

ENTERTAINING EXPERIENCES AT HOME
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Acrobat walks on a wheel. Physical experiments

Entertaining experiments in physics

Entertaining experiences at home / Physics experiments for children

Cut out an acrobat figure from thick paper according to our drawing. Put it on a pen inserted into an ordinary school pen. In the afternoon now the handle with the acrobat obliquely into the ring of scissors. Holding the scissors horizontally, move them gently in a circle.

Ah, how our acrobat went wheel! He's involved in two movements at once. First, the end of the pen with the acrobat on the nib describes large circles. And secondly, the handle does not slide along the ring of the scissors, but rolls over it. And the handle, together with the acrobat, rotates around its axis. From the combination of these two movements, such wonderful wheels are obtained. A living acrobat will hardly be able to repeat them!

Acrobat walks the wheel

Where is the friction, you ask? Yes, in the ring of scissors. If it were not there, the handle would immediately fall down, it would not be able to hold even in an inclined position. And one more thing: if there was no friction between the ring and the handle, the handle would not run around the ring and the acrobat would not tumble so beautifully.

Author: Galpershtein L.Ya.

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