Which of the following statement is NOT true about machines?

a
Machines decrease the amount of work that is done.
b
Machines change the way work is done.
c
Machines change the size of a force needed to do the work.
d
Machines change the direction of a force needed to do the work.

Bot GPT 3.5 Bot GPT 3.5 answered

a. Machines decrease the amount of work that is done.