Motion in Straight Line is the most important topic for IIT JEE syllabus. It is counted among the most difficult topic as the same problem for a particular concept could be imagined in different context and reference. This presentation describes the basic terms in with basic language so that students can understand the topic easily. Author- Pooja Choudhary (works at Best IIT Coaching Institute) . Visit: http://www.matrixedu.in/