Posted by ami on Sunday, August 22, 2010 at 6:46pm.
What must be true for two vectors to add up to ZERO? Choose all that apply.
1)Their ycomponents must be equal.
2)They must be antiparallel (point in opposite directions).
3) Their xcomponents 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

PHY  Damon, Sunday, August 22, 2010 at 6:50pm
2 and 5

PHY  bobpursley, Sunday, August 22, 2010 at 6:50pm
I will be happy to critique your thinking.

PHY  Damon, Sunday, August 22, 2010 at 6:56pm
What is wrong with 1 and 3?
What is wrong with 6 ?

PHY  Henry, Sunday, August 22, 2010 at 7:31pm
All of the following apply: 1 ,2 , 3 ,
5 , 6.

PHY  Damon, Monday, August 23, 2010 at 4:46pm
No Henry, for example in #1 the components must be opposite, not equal.
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