Look at the figure.
Which of the following statements are not true?
$I$ . Both are second class levers
$I I$ . Both are simple machines
$I I I$ . Both have a fulcrum between a load and force

I

and

I I

only

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I I

and

I I I

only

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I

and

I I I

only

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I, I I

and

I I I

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Solution

The correct option is D $I I$ and $I I I$ only
in the figure a hammer and pliers
They both belong to second class levers.Hence option I is correct.
both are not type of simple machine.Hence option II is wrong.
In second class lever the fulcrum is on one end and force on other and load in middle of these two. Hence optio III is wrong.
Hence correct option is option B.

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