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Question
The following are an example of levers. State the class of lever to which each one belongs giving the relative positions of Load (L), Effort (E), Fulcrum (F):
(i) Scissors (ii) Sugar tongs (iii) Nutcracker (iv) Pliers.
Solution
Name of Lever | Lever Class | Fulcrum | Position of Effort | Load | ||
(i) | Scissors | First | At centre | One end | Other end | |
(ii) | Sugar tongs | Third | One end | At centre | Other end | |
(iii) | Nutcracker | Second | One end | Other end | At centre | |
(iv) | Pliers | First | At centre | One end | Other end |
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