A scalar is a physical quantity that is described only by its magnitude. This means there is only one piece of information needed to define a scalar quantity. Think of a building's height. Eighty feet represents the height of the building. If you also had its width and depth, you could...
Examples of Scalar and Vector Quantities Lesson Summary Frequently Asked Questions What is another word for scalar? Another word for a scalar is magnitude. A scalar quantity gives an indication of how small or large a physical quantity is. What is scalar and vector? A scalar quantity is the...
Quantity in Math: Definition In math, the definition of quantity can be given as anything that can be counted or measured. Quantity is a generic term used to express the measurement (count or amount). It is an amount that you can measure. ...
Differentiate between scalar and vector quantities, giving two examples of each. View Solution Give an example of two physical quantities such that their scalar product and vector product represent two different physical quantities . View Solution ...
Speed is a scalar quantity. Speed does not consider the direction of motion, only the magnitude. Distance is the measure of how much ground an object has covered or the total movement of an object on ground. Time is the measure of the duration or the interval between two events. ...
Both speed and velocity are the ratio of the distance moved by an object to the time taken for the movement. But Speed is aScalarquantity. It considers only magnitude irrespective of the direction. Whereas velocity is aVectorquantity and it represents both magnitude and direction. ...
, written as km.p.h. or km/h or km h-1. Please note that if we have to compare the speeds of a number of bodies, then we must express the speeds of all of them in the same units. Speed has magnitude only, it has no specified direction, therefore, speed is a scalar quantity....
The scalar product is defined as the product of two 3-D vectors, which gives a scalar quantity in return. So, the angle between two 3-D vectors is given as the dot product of the two vectors divided by the product of the magnitudes of two vectors. The following steps must be ...
The multiplication of vectors with any scalar quantity is defined as 'scaling'. Scaling in vectors only alters the magnitude and does not affect the direction. Some properties of scalar multiplication in vectors are given as,k(a + b) = ka + kb (k + l)a = ka + la a·1 = a a·0...
A scalar value is a quantity with only one component, its magnitude (a numerical value). A vector is a quantity with two components: magnitude and direction. Scalar vs Vector example Examples of scalars and vectors: Scalar Vector 39 degrees Celsius (temperature) N/A 5m/s (speed) 5 m/s ...