II. Classifying
Write whether each lever belongs to 1st Class, 2
nd Class, and 3rd
Class lever.
________6. Fishing rod _________ 11. Baseball bat
________7. Wheelbarrow _________ 12. Bottle opener
________8. Plier’s _________ 13. Nut cracker
________9. Ice tongs _________ 14. Scissor
________10. Broom _________15. Wagon
Nonsense = report
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Answer:
6.2nd class
7.2nd class
8.3rd class
9.1st class
10.2nd class
11.1st class
12.2ns class
13.3rd class
14.1st class
15.2nd class
Answer:
6. Third Class.
7. Second Class.
8. First Class.
9. Third Class.
10 Third Class.
11. First Class.
12. Second Class.
13. Second Class.
14. First Class.
15. First Class.
Explanation:
1st class levers – Fulcrum in the middle - 2nd class levers – Load in the middle - 3rd class levers – Effort in the middle Every lever is made up of three parts: Exam tip 1: The middle component will determine whether a lever is 1st, 2nd or 3rd class!