A person, of weight mg, is standing on a scale in an elevator. What will the scale read when the elevator accelerates upward?

A. More than mg
B. Less than mg
C. Equal to mg
D. Cannot tell what the scale will read.

20) what is a magnetic field? 21) in which direction do magnetic field lines always point? 22) sketch a diagram showing how a plotting compass points around a 23) name two magnetic poles that will: a) attract each other b) repel each other. 24) explain why you can use a compass to navigate. 25) what's an electromagnet? 26) list two ways to increase the strength of an electromagnet. 27) the wire in a simple motor feels a force when a current flows through it. why is this? i need answers to check mine