Which of these statements about machines is false?
a. Machines decrease the amount of work needed to do a job
b. Machines decrease the force needed to get the work done,
c. Machines increase the distance moved in doing the work
d. Because of friction, the work input is more than the output

a. Machines decrease the amount of work needed to do a job

Explanation:

Machine is a mechanical device which reduce our efforts and makes the work simpler

So We know that the machine is a device which always reduce the work required

so here correct answer will be

a. Machines decrease the amount of work needed to do a job

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.

your answer is, orbit around the nucleus