What must be true for two vectors to add up to ZERO? Choose all that apply.

Question

1)Their y-components must be equal.
2)They must be anti-parallel (point in opposite directions).
3) Their x-components must be equal.
4)They must be parallel (point in the same direction).
5) They must have equal magnitudes.
6) They must have opposite magnitudes

Answer 1

2 and 5

Answer 2

I will be happy to critique your thinking.

Answer 3

What is wrong with 1 and 3?
What is wrong with 6 ?

Answer 4

All of the following apply: 1 ,2 , 3 ,
5 , 6.

Answer 5

No Henry, for example in #1 the components must be opposite, not equal.