Use the terms in the word box to label each class of lever and the diagram.
(attachments are from left to right)
attachment #1: word box
attachment #2: questions
attachment #3: questions
then, use the terms in the word box to label each class of lever in the illustrations.

attachment#4: word box
attachment #5: questions
attachment #6: questions

you for !

1st class lever the Fulcrum is between the load and the effort
2nd class lever the load is between the effort and the fulcrum
3rd class lever the effort is between the fulcrum and the load.
1)1st class lever
2)3rd class lever
3)2nd class lever
 part2
The human hands  act as a fulcrum in cases where a hum is holding something in case of a person sweeping
1)1st class lever
2)2nd class lever
3)3rdclass lever.
4)1st class
5)3rd class
6)1st class
7)2nd class
8)3rd class
9)3rd class

Acetic acid  /əˈsiːtɪk/, systematically named  ethanoic acid  /ˌɛθəˈnoʊɪk/, is a colourless liquid  organic compound  with the  chemical formula  ch3cooh (also written as ch3co2h or c2h4o2). when undiluted, it is sometimes called  glacial acetic acid.  vinegar  is no less than 4% acetic acid by volume, making acetic acid the main component of vinegar apart from water. acetic acid has a distinctive sour taste and pungent smell. in addition to household vinegar, it is mainly produced as a precursor to  polyvinyl acetate  and  cellulose acetate. it is classified as a  weak acid  since it only partially  dissociates  in solution, but concentrated acetic acid is corrosive and can attack the skin.acetic acidnamespreferred iupac nameacetic acidsystematic iupac nameethanoic acidother namesvinegar (when dilute); hydrogen acetate; methanecarboxylic acid[1][2]identifierscas number64-19-7  3d model (jsmol)interactive image3dmetb00009 reference506007chebichebi: 15366  chemblchembl539  chemspider171  drugbankdb03166  echa infocard100.000.528ec number200-580-7e numbere260  (preservatives)gmelin reference1380iuphar/bps1058keggd00010  meshacetic+acidpubchem  cid176rtecs numberaf1225000uniiq40q9n063p  un number2789inchiinchi=1s/c2h4o2/c1-2(3)4/h1h3,(h,3,4)  key:   qtbsbxvteameqo-uhfffaoysa-n  smilescc(o)=o

The best description is: . nobody has any idea what q is.