Physics
The diagram below shows a claw hammer used to remove a nail:
(i) To which class of lever does it belong ?
(ii) Give one more example of the same class of lever mentioned by you in (i) for which the mechanical advantage is greater than one.
Machines
ICSE 2019
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Answer
(i) A claw hammer belongs to class I lever.
(ii) Another example of class I lever is shears (used to cut metal sheets)
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