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If the sum of their components in any two orthogonal directions is zero, the resultant is zero.

Alternatively, show that the resultant of any two vectors has the same magnitude but opposite direction to the third.

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Q: How do you prove three vectors are equal to zero?
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Related questions

How can you add three vectors of equal magnitude in a plane such as their resultant is zero?

Take any three vectors in a plane which, when placed end-to-end form a triangle. The resultant of the three vectors will be zero.


Is it is possible to add three vectors of equal magnitude and get zero?

Yes. Vectors contain both magnitude and direction. Graphically three vectors of equal magnitude added together with a zero sum would be an equilateral triangle.


Can two vectors having different magnitudes be combined to give a zero resultant can three vectors?

Yes, two vectors of different magnitudes can be combined to give a zero resultant if they are equal in magnitude but opposite in direction. For three vectors to give a zero resultant, they must form a closed triangle or meet at a common point where the sum of the vectors equals zero.


The vector sum of three vectors gives a resultant equal to zero What can you say about the vectors?

With three vectors spaced 120 degrees apart and with identical magnitudes the vector sum will be 0.


Can three vectors of equal magnitude be combined to give a zero resultant?

Yes, put the three vectors in a plane, with a separation of 120 degrees between each vector and each of the other vectors.


Is it possible to add three vectors of equal-magnitude but different direction to get zero vector?

Yes, it is possible to add three vectors of equal magnitude but different directions to get a zero vector. This occurs when the vectors are arranged in a way that their directions cancel each other out. Mathematically, this can happen when the vectors form a closed triangle or when they are evenly spaced around a circle.


Can the resultant of two vectors be equal to zero?

Yes. A vector has magnitude and direction. If the vectors have equal magnitude and directly opposite directions their sum will be zero.


When the angle between two vectors is equal to zero?

When the angle between two vectors is zero ... i.e. the vectors are parallel ... their sum is a vector in thesame direction, and with magnitude equal to the sum of the magnitudes of the two original vectors.


What is the three vectors arrangement if their resultant is zero?

A triangle of vectors, in which the sides are the three vectors arranged head-tail.


What is the least number of non-zero vectors that can be added to give a resultant equal to zero?

Two - if you add two vectors of equal magnitude but in opposite directions, the resultant vector is zero.


Can the sum of two equal vectors be equal to either of the vectors?

Only if one of them has a magnitude of zero, so, effectively, no.


Can three vectors of different magnitude be combined to give a zero resultant and can three vectors?

Yes.