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VAZN – CHEN KARDANI VAZNI JISM

Agar muammoi zerinro daryoby, tu nomi on asbobero, ki dar hayoti ruzmarra ba kor meoyad, paydo karda metavony: «Du khohar khele jumbidand, haqiqatro justuju kardand, vaqte daryoftand, tavaqquf kardand». In chist? Tarozuhoi fishangdor.

Istifodai tarozuhoi fishangdor bois ba tavsifi asosii hama ashyochen kardani vazni onho shudand.

EtalonDar yake az jism – odam, miz, Zamin, qatrai ob va gayra doroi vazn meboshand.

In andozaest, ki khosiyati jismro ifoda mekunad. Hamchun vohidi vazn kilogramm (mukhtarasar, kg) qabul shuda bud. Kilogramm – in vazni etalonest (namuna), ki bisyor daqiq omoda shudaast. Etalon az gudokhtai chunin du filiz: platina va iridiy iborat meboshad.

Misoli vazni baze az jismho

Jismho Vazni onho
Kolibri (parrandai az hama kuchaki paru bolash zebo) 1700 mg
Angur 3 g
Tubi futbol 400 g
Fil 4500 kg
Nahangi az hama buzurg 150 000 kg
Avtomobili «Zaporojest» 740 kg
Nakhustin hamsafari masnuii Zamii 83,6 kg

Etalon yo namunai kilogramm dar shahri Sevre (nazdiki Poris) -i Faronsa nigoh doshta meshavad. Nuskhai daqiqiyati olii etaloni vazn baroi digar kishvarho sokhta shudaast. Hamchunin vohidhoi vazni nazar ba kalogramm kam yo ziyod niz istifoda meshavand.

Vazni jismro bo yorii tarozuhoi fishangdor va donasangho (rasmi 18) muayyan mekunand. Baroi on ki chen kardanro yod bigired, boyad qoidahoi chenkuniro qablan biyomuzed.

QOIDAHOI VAZNCHENKUNI

  1. Tavozuni tarozuhoro to ba vaznchenkuni bisanjed. Agar tavozunro tanzim dodan lozim boshad, ba pallai on tarozu, ki kam ast, andak kogaz, kartonpora va gayra boyad guzosht.
  2. Bori barmekashidagiro dar pallai chapi tarozu va dar pallai rosta on sanghoro boyad guzosht.
  3. Binobar rioya nakardani in qoidaho dar aksari mavridho, sanghoi khurd na- merasand va majbur meshavand, to borro dubora barkashand.
  4. Agar sang pallai tarozuro ba sui khud kashad, boyad onro az palla girifta, dar futlyar, yane qobi on joygir kard.
  5. Agar ba sui khud nakashad, onro boyad ba palla guzosht. Sipas sanghoi vaznashon khudro boyad guzosht.
  6. Dangomi barobarvaznii palahoi tarozu, vazni umumii sanghoi dar palla bu- daro hisob boyad kard.

Sipas sanghoro ba joyi khud, ba qob boyad guzosht.

Mustaqilona vazni ashyohoi baroyaton jolibro muayyan kuned. Dar in mavrid qoidahoi vaznchenkuniro rioya namuda, natijahoi vazni barkashidashudaro dar to- blui 6 navised.

Muqoisa kuned:

  1. Vazni kadom jism az khama buzurg buda, vazni kadom jism az hama kuchak meboshad?
  2. Oyo jismhoi hamvazn vujud dorand?

Suporish.

  1. Vazni khudro tavassuti tarozu muayyan kuned

Pursishho

  1. Dar borai mohiyai vazn dar hayot naql bikuned.
  2. Bo vositai chy vazni ashyo chen meshavad?
  3. Hamchun vohidi vazn chy qabul gardida bud?
  4. Etaloni baynalmilalii vohidi vazn dar kujo hifz meshavad?
  5. YAk tonna va yak sentner chand kilogrammy meboshand?
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