What type of machine we use to open the lid of a bottle?

True

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False

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Second order lever

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First order lever

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Solution

The correct option is C
Second order lever

To open the lid of a bottle, we use a bottle opener, which has load at its centre and effort is at one end of the opener, keeping the other end fix(fulcrum) on the lid. This type of machine is a second order lever.

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