Question

Define scalar quantity.​

Answer 1

Answer- The above question is from the chapter 'Motion in a Plane'.

Let's know about vector quantities first.

Vector Quantity: A physical quantity which possesses both magnitude and direction and which can be added, subtracted or multiplied by vector laws is called a vector quantity.

Example: Displacement, Velocity, Force, Acceleration, Torque, etc.

Given question: Define scalar quantity.​

Answer: Scalar quantity: A physical quantity which possesses only magnitude is called a scalar quantity.

They can be added, subtracted, multiplied or divided by simple algebraic methods.

Example: Mass, Distance, Temperature, etc.

Answer 2

Explanation:

A scalar or scalar quantity in physics is a physical quantity that can be described by a single element of a number field such as a real number, often accompanied by units of measurement. A scalar is usually said to be a physical quantity that only has magnitude, possibly a sign, and no other characteristics.

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