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 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
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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