Can anyone give more examples for Scalar Product other than the work formula.
Answers
Answer:
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Explanation:
The scalar product of a and b is: a · b = |a||b| cosθ We can remember this formula as: “The modulus of the first vector, multiplied by the modulus of the second vector, multiplied by the cosine of the angle between them.” Clearly b · a = |b||a| cosθ and so a · b = b · a.
Scalar quantity is one dimensional and is described by its magnitude alone. For example, distance, speed, mass etc. Vector quantities, on the other hand, have a magnitude as well as a direction. For example displacement, velocity, acceleration, force etc.
Scalar, a physical quantity that is completely described by its magnitude; examples of scalars are volume, density, speed, energy, mass, and time. Other quantities, such as force and velocity, have both magnitude and direction and are called vectors.