Question

For a bottle opener, the output force is between the fulcrum and the input force. Which class of lever is a bottle opener?

first
Second
Thrid

Answer 1

it is the second class

Answer 2

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".