What is the purpose of this text?

The purpose of this text is to explain the concepts of Work and Energy in Physics and to provide a step-by-step procedure for conducting a laboratory experiment to measure these concepts.
The purpose of this text is to provide a list of materials and equipment needed for a laboratory experiment on Work and Energy in Physics.
The purpose of this text is to describe the theoretical framework of Work and Energy in Physics without providing any practical application or laboratory experiment.
a) The first statement is correct.
b) The second statement is correct.
c) The third statement is correct.
d) The first and second statements are correct.
e) The first and third statements are correct.