Question

what is scalar and victor quantity ​

Answer 1

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Answer 2

➢ Scalar quantity

Scalar , also known as "no vector ", is also called pure quantity in physics. Some quantities (mass, volume, etc.) have only numerical values without direction, and some have positive and negative points.

In physics, scalar (or scalar) refers to a physical quantity that remains unchanged under coordinate transformation .

In layman 's terms, the quantity is only the size, there is no direction. Quantity operation follows the algebraic algorithm.

Examples →

• Common quality number, density, temperature, power , energy, distance , speed , volume, time, heat resistance , power potential , gravitational potential energy, potential energy and other physical quantities.

➢ Vector quantity

In mathematics, vectors (also known as Euclidean vectors, geometric vectors, and vectors) refer to quantities that have magnitude and direction. It can be visually represented as a line segment with arrows (→) . The arrow points: represents the direction of the vector; the line length: represents the size of the vector. The quantity corresponding to the vector is called scalar quantity in physics, has only size and no direction.

In physics and engineering , geometric vectors are more commonly called vectors.

Examples →

• Many physical quantities are vectors, such as the displacement of an object , the force exerted by the ball against the wall, and so on.