After a theory is repeatedly tested and verified it “graduates” to become a law.

What is the magnitude of the resultant vector round your answer to the nearest tenth

Does work output exceed work input when a machine is used? a) yes, it does, as machines create energy. b) it depends on the type of machine used. c) no, it doesn’t, as machines are inefficient. d) no, it doesn’t, as machines cannot create energy.

What’s #16 asking and how do i solve it?