Question

Two equal vectors A and A are antiparallel. Their resultant has magnitude:
a)2A
b)A/2
c)4A
d)Zero​

Answer 1

Answer:

C) 4A, I think so..

Explanation:

Hope it Helps!

Answer 2

Answer:

If vectors A and B are antiparallel to each other, what is their resultant?

Angelos Tsirimokos

Answered 3 years ago

Their resultant is A+B in any case, by definition. If, however, their magnitudes (sizes) are a and b and the two are antiparallel, the magnitude of their resultant will be a-b if a>b and b-a if a>b.

This may sound deep, but it isn’t. All I am saying is that ‘resultant’ is another word for the sum of two forces, the result of their being applied jointly to an object. If you have two people exerting a 20lb and a 30lb force to pull a weight in the same direction, their resultant will be a 50lb force. But if they are pulling in opposite directions (this is what antiparallel means), the resultant will be a 10lb force in the direction of the stronger force.

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