﻿ What are the characteristics of cross product? from Physics Motion in A Plane Class 11 Manipur Board

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What are the characteristics of cross product?

Characteristics of cross product are:

(i) Cross product of two vectors is anti commutative.

That is, (ii) Cross product is distributive,

That is, (iii)Cross product of two parallel vectors is zero.

That is, if (iv) Cross product of two vectors is equal to the area of parallelogram formed by two vectors.

(v) Area of triangle formed by two vectors and their resultant is equal to half the magnitude of cross product.
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What is a scalar quantity?

A physical quantity that requires only magnitude for its complete specification is called a scalar quantity.
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Give three examples of vector quantities.

Force, impulse and momentum.
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Give three examples of scalar quantities.

Mass, temperature and energy
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What is a vector quantity?

A physical quantity that requires direction along with magnitude, for its complete specification is called a vector quantity.
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What are the basic characteristics that a quantity must possess so that it may be a vector quantity?

A quantity must possess the direction and must follow the vector axioms. Any quantity that follows the vector axioms are classified as vectors.

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