Answer: The bottle opener is an example of the second class lever.
Explanation :
The lever is one of the simple machines. It is of three types :
- First class lever
-
Second class lever
-
Third class lever
The bottle opener is an example of the second class lever. In this type of lever, the output force is between the fulcrum and the input force.
Hence, the correct option is (b) "second class lever".
