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It has magnitude 0 and a direction and obeys vector laws, so is a vector

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Q: How can a null vector be a vector if there is no direction?

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It is a vector that has the opposite direction to the reference positive direction. (A vector is one point in space relative to another.) Negative vector is the opposite direction

A vector is like an arrow. The length of the vector represents the magnitude (distance, speed, whatever) while the direction is shown by the direction of the arrow.A vector is like an arrow. The length of the vector represents the magnitude (distance, speed, whatever) while the direction is shown by the direction of the arrow.A vector is like an arrow. The length of the vector represents the magnitude (distance, speed, whatever) while the direction is shown by the direction of the arrow.A vector is like an arrow. The length of the vector represents the magnitude (distance, speed, whatever) while the direction is shown by the direction of the arrow.

"North" is a valid direction, but for a vector, you would also need a magnitude.

A vector is a quantity with a direction.

It is a vector. A scalar has only magnitude. A vector has magnitude and direction.Acceleration is a vector because it has magnitude and direction. That's why an object can be said to be accelerating if it has a circular rotation and a constant speed; even though it's speed isn't changing, it's direction constantly is. Displacement (s), velocity (v), and acceleration (a), are vectors because they have both magntude and direction.

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NULL VECTOR::::null vector is avector of zero magnitude and arbitrary direction the sum of a vector and its negative vector is a null vector...

The sum of two null vectors is a null vector. And since a direction is not relevant for a null vector, the resultant has no direction either.

no,zero cannot be added to a null vector because zero is scalar but null vector is a vector,although null vector has zero magnitude but it has direction due to which it is called a vector.

A null vector has no magnitude, a negative vector does have a magnitude but it is in the direction opposite to that of the reference vector.

There are two possible answers to this; a) It has no direction b) It points in all directions Answer a is really more true, as the notion of a null vector precludes any notion of a direction, but the correct answer is b.

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No, a vector cannot be added to a scalar. You could multiply a null vector by zero (and you'd get the null vector), but you can't add them.

Yes, you can add anything to null vector.

Zero is a number (a scalar quantity without unit) while zero vector (or null vector) is a vector quantity having zero magnitude and arbitrary direction.

Yes, any number can be added to a null vector.

If the scalar is > 1 the resultant vector will be larger and in the same direction. = 1 the resultant vector will be the same as the original vector. between 0 and 1 the resultant vector will be smaller and in the same direction. = 0 the resultant vector will be null. If the scalar is less than 0, then the pattern will be the same as above except that the direction of the resultant will be reversed.

a vector with nothing in it