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