Dashakar

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Scalar Product of Two Vectors:

The scalar or dot product of two vectors is defined as the product of magnitudes of the two vectors and the cosine of the angles between them. If a and b are two vectors and θ is the angle between the two vectors then by the definition scalar product of two vectors. a · b = a b cos θ

Give Some Scalar and Vector Examples. Some examples of scalars are mass, density, time, temperature, volume, energy, speed, etc. These quantities can be described using a number only. Examples of vectors are weight, displacement, force, velocity, etc

The resultant of two vectors will be equal to either of them if: (i) The two vectors are of same magnitude. The resultant of two vectors will be equal to either of them if: (i) The two vectors are of same magnitude

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