Question

Differences between the first and second class lever

Answer 1

Answer:

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Explanation:

The difference between the three classes depends on where the force is, where the fulcrum is and where the load is. In a first class lever, the fulcrum is located between the input force and output force. In a second class lever, the output force is between the fulcrum and the input force.

Answer 2

Explanation:

In first class lever, the fulcrum is located between the load and effort.

In a second class lever, the load is between the fulcrum and effort.

Example of first order lever : scissors

Example of second order lever : nutcracker