1.

Fill in the blanks (i) Motion of an object or a part of itaround a fixed point is known as ................ motion.(ii) A body repeating its motion after certain interval of time is in . ......... motion.(iii) In rectilinear motion, object moves........... a . .......... line.(iv) SI unit of length is . ..........

Answer» (i) circular
(ii) periodic
(iii) straight; along
(iv) metre


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