Swinging a tennis racket against a ball is an example of a third class lever. true or false

Answer;

The above statement is true

Swinging a tennis racket against a ball is an example of a third class lever.

Explanation;Levers are examples of simple machines that makes work easier by minimizing human effort to do work.Levers are classified according to the position of the load and the effort in respect to the fulcrum. That is, first class, second class and third class. In first class type of lever the fulcrum occurs between the load and the effort, in class two the load is between the fulcrum or pivot and the effort, while in third class, the effort occurs between the load and the fulcrum or the pivot.Swinging a tennis racket is an example of third class lever since the effort is between the load and the fulcrum.

Then the answer would be d then

Answershe should not have multiplied the sulfur atoms by the subscript 4