Question

State the kind of lever which always has the mechanical advantage less than
Draw a labelled diagram of such a lever.

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Answer 1

Explanation:

The elbow is the fulcrum, and the muscles of the forearm apply the force between the elbow and the hand. The class 3 lever always has a mechanical advantage of less than 1, because the load travels a greater distance than the force travels. Consequently, the work requires more effort than would ordinarily be needed.

Answer 2

Answer :-

The mechanical advantage of 3rd class lever is always less than 1. In this the input effort is higher than the output load.

Ex of 3rd class lever is fishing road , barbecue tong etc.

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