answersLogoWhite

0

Can scalar be a negative number?

Updated: 12/24/2022
User Avatar

Wiki User

11y ago

Best Answer

Yes, a scalar can be a negative number. For instance:

c<x₁,x₂> = <cx₁,cx₂> such that <x₁,x₂> is a vector.

Let c = -1 for instance. Then, we have this vector:

<-x₁,-x₂>

Compared to <x₁,x₂>, <-x₁,-x₂> has negative signs.

In physics and mathematics, if we multiply the vector or something by a negative value scalar, then the direction of the vector is reversed, and the magnitude stays the same. If the magnitude increases/decreases, and the direction of the vector is reversed, then we can multiply the vector by any negative non-1 scalar value.

User Avatar

Wiki User

11y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Can scalar be a negative number?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Can Scalar quantity be Negative Or Zero?

No, scalar quantities cannot be negative because they only have magnitude, not direction. However, scalar quantities can be zero if the magnitude of the quantity is zero.


How do you find the volume of a sphere if the radius is a negative number?

radius is a scalar quantity, it can not have a negative value.


Why work is negative its is scalar quantity?

A scalar quantity may have positive and negative values - it is simply a real number. But it doesn't have a direction. Think of it as a "vector in one dimension" - whereas the usual vectors have at least 2 dimensions.


What is a matrix and a scalar?

A matrix and a scalar is a matrix. S + M1 = M2. A scalar is a real number whose square is positive. A matrix is an array of numbers, some of which are scalars and others are vectors, square of the number is negative. A matrix can be a quaternion, the sum of a scalars and three vectors.


How will you multiply a vector by positive number?

A positive scalar multiplied by a vector, will only change the vector's magnitude, not the direction. A negative scalar multiplied by the vector will reverse the direction by 180&Acirc;&deg;.


Can a scalar product be a negative quantity?

Yes, a scalar product can be negative if the angle between the two vectors is obtuse (greater than 90 degrees). The scalar product is the dot product of two vectors and is equal to the product of their magnitudes and the cosine of the angle between them. A negative scalar product indicates that the vectors are pointing in opposite directions.


Can a scalar be negative?

Scalars can be negative, and so can a change in a scalar value.Take temperature:You can have a temperature of -10 degrees.If temperature falls from 20 to 5 degress, the change was -15 degree.The negative value of the scalar is a consequence of where you take the &quot;zero&quot; to be.With speed you have to be very careful because speed is the scalar bit of velocity. Velocity with no consideration of direction.


What is the relationship between numbers and vectors discussing the displacement vector t and a negative?

A vector has a direction associated with it. A number (or scalar) does not.


Is number of moles vector or scalar?

There is no direction in number of moles, so it is scalar.


Is number of passengers on a plane a vector or a scalar?

The number of passengers on a plane is a scalar quantity. Scalars have only magnitude and do not have direction.


What is a scalar which is both positive and negative?

Zero is a scalar that is both positive and negative. It holds a value of 0 on the number line and is neither positive nor negative.


Is sum of two negative integers always negative and why?

The sum of two negative integers is always negative due to the commutative and associatve property. In other words, summing or adding two negative numbers results in a larger scalar negative number. ex -1 + -1 = -2