Question

9. Which of the following is an example of a Class III lever system?

Hammer claws
Wheelbarrow
Can opener
Bicep curl

Answer 1

The bicep curl is an example of a Class III lever system.

Step-by-step explanation:

A Class III lever system is one in which the fulcrum is at one end, the load is in the middle, and the effort is applied at the other end. Out of the options given, the bicep curl is an example of a Class III lever system. In a bicep curl, the elbow joint acts as the fulcrum, the weight being lifted acts as the load, and the bicep muscle applies the effort to lift the weight. The effort is applied near the fulcrum over a short distance, which causes the load to move over a large distance.

Answer 2

The bicep curl is the example of class III type of levers.

Step-by-step explanation:

Levers are divided into three types based on where the effort and load are situated with respect to fulcrum. They are class one lever, class two lever and class three lever. In the above examples, the bicep curl is the best example for the class three lever.

In class three lever between fulcrum and load the effort is located, the bicep curl is used by the human beings for exercise here the effort applied is by the bicep muscle is between the elbow joint that acts as fulcrum and load is in hands.