Define zero vector.

What is a zero vector ? How can you obtain zero vectors. Give examples and properties of zero vectors.

Write an example of zero vector.

While delivering a lecture on vectors Phusics teacher told the students about zero vector or mnll vector, i.e. a vector which has zero magnitude and arbitray direction. It is represented by vec 0 (arrow ovet the numnet zero . The students wer baffled. Read the above passage and answer the following questins : (i) What was the becessity of the concept zero vector ? ltbRgt Give any one illustravion of zero vector. (ii) What is the phusical significane of zero vector ?

Define a vector. Give examples.