Mathematics Part-II

Book: Mathematics Part-II

Chapter: 10. Vector Algebra

Subject: Maths - Class 12th

Q. No. 3 of Exercise 10.1

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3

Classify the following as scalar and vector quantities.

(i) time period (ii) distance (iii) force


(iv) velocity (v) work done

Scalars are defined as quantities that have magnitude only.


Vectors are defined as a quantity that has magnitude as well as direction.


(i) time period: It is a scalar quantity as it has magnitude only and no direction.


(ii) distance: It is a scalar quantity as it has magnitude only and no direction.


(iii) force: It is a vector quantity as it has magnitude as well as direction.


(iv) velocity: It is a vector quantity as it has magnitude as well as direction.


(v) work done: It is a scalar quantity as it has magnitude as well as direction.


4

Chapter Exercises

More Exercise Questions

5

Answer the following as true or false.

(i) and are collinear.


(ii) Two collinear vectors are always equal in magnitude.


(iii) Two vectors having same magnitude are collinear.


(iv) Two collinear vectors having the same magnitude are equal.