Question

(d) (i) Identify the class of the lever shown in the diagram below:
tih) How is it possible to increase the MA of the above lever without increasing its length​

Answer 1

Answer:

THIRD CLASS LEVER

Explanation:

(1) FIRST CLASS LEVER- FULCRUM IS BETWEEN LOAD AND EFFORT.

SECOND CLASS LEVER- LOAD IS BETWEEN FULCRUM AND EFFORT.

THIRD CLASS LEVER- EFFORT IS BETWEEN LOAD AND FULCRUM.

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THEREFORE THE GIVEN LEVER SYSTEM IS A THIRD CLASS LEVER SYSTEM.

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(2)- IN A THIRD CLASS LEVER EFFORT IS BETWEEN LOAD AND FULCRUM. THUS EFFORT ARM IS LOWER THAN LOAD ARM.

TO INCREASE MECHANICAL ADVANTAGE WE NEED TO INCREASE THE EFFORT ARM, SO WE WILL NEED TO SHIFT THE EFFORT NEAR THE LOAD.

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BY SCIVIBHANSHU

THANK YOU

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