Question

Which of the following equations correctly expresses the relation between vectors A⃗ , B⃗ , C⃗ , and D⃗ shown in the figure?
http://session.masteringphysics.com/problemAsset/1445612/2/PLCQ_ArtMs_Topic02_Q10_v2.jpg
A⃗ +B⃗ −C⃗ +D⃗ =0
A⃗ −B⃗ −C⃗ +D⃗ =0
A⃗ +B⃗ −C⃗ −D⃗ =0
A⃗ +B⃗ +C⃗ +D⃗ =0

Answer 1

Hi! Do you know about vector addition and vector subtraction?

Answer 2

not really some

Answer 3

Okay! So,

Answer 4

+ing them a head would go to b tail

Answer 5

You're right! I'll draw that in! And, for subtraction like \(\vec A-\vec B\), you draw \(\vec A\) and from it's head put \(\vec B\)'s head there.