The answer to this question is fully in the aim with which the free papers are to be used. It is an obvious fact that submitting a free paper to your school involves great risk to be expelled for plagiarism. Free papers can be downloaded by numbers of students and you have no guarantee that if you use it your call mate will not use the same paper as well. Of course free papers can be of use if you download them jut for examples.
Completion of some of the written assignments requires knowledge of the structure and writing skills. If you go online to take a look at free papers to be used as samples it can help you understand the layout of the paper, some basic features, writing style to be used, etc. It is not a secret that for an average student leisure is a lot more pleasant way to spend time and money then then doing a written assignment therefore using a free paper from the Internet which is instant and doesn’t cost anything seems very attractive.