Class 11 cbse chapter - Motion in straight Path. Join whatsapp group 1. What is motion? Ans: if a body changes its position with respect to the surrounding in a given time then the body said to be in motion. 2. What do you understand by Rest? Ans: A body is said to be in rest when it does not changes its position with respect to the surrounding in a given time. 3. Define one dimensional motion. Ans: A motion is said to be one dimensional if one of the the co-ordinate changes in a given frame of reference . Ad . CBSE NEWS SYLLUBUS REDUCE FOR 2022 4. Define two dimensional motion. Ans: A motion is said to be in two-dimensional if two co-ordinate changes in the given frame of reference. Ad. Buy NCERT books for class 11. Pcm and pcb. 5. Define three dimensional motion. Ans: motion is said to be in three dimensional if three co-ordinate changes in the given form of reference.
