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You are here: Home / family / Jednoduché stroje
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Jednoduché stroje

2014-03-11 by Todd 2 Comments

Max a Jarko urobili projekt pre prírodovedu na jednoduché stroje.

Dnes máme motory, ktoré robia prácu, aby my sme nemuseli. A ešte skôr, ako boli motory, ľudia používali zvieratá, aby robili našu prácu. Ale skôr, než sme krotili zvieratá, sme používali jednoduché stroje.

Jednoduché stroje nerobia prácu za nás, ale dávajú nám výhodu pri práci.

Jednoduché stroje sú napríklad páka, kladka, naklonená rovina, a koleso. S pákou a kladkou môžeme zdvihnúť veľkú hmotnosť. V tomto klipe Jarko používa páku, aby zdvihol Maxa. Čím väčšie je Jarkové rameno ako Maxové, tým je to ľahšie pre Jarka zdvihnúť Maxa.

V tomto klipe, môžeme vidieť ako žeriav, ktorý používa rôzne jednoduché stroje, pomáha stavbárom pri práci.

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Filed Under: family Tagged With: max, Narnia, projekt

Comments

  1. David Duff says

    2017-03-24 at 18:23

    OK, here’s my interpretation. “Give me the place to stand and with a lever I will move the whole world.” – one of the quotation variants of Archimedes’ comments on principles of the lever. I am guessing that these videos have to do with a school physics assignment on levers and pulleys, not media documentation of Max weighing over a ton now.

    Reply
    • Todd Patterson says

      2017-03-24 at 20:55

      Your interpretation is spot on and I love the quote. They were studying the four simple machines.

      Reply

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