According to the third law of motion, action and reaction always act on different bodies in opposite directions. Question: There are 3 solids made up of aluminium, steel and cotton of the same shape & ...

Check NCERT based important extra questions & answers of CBSE Class 9 Science (Chapter 8 Motion). These questions and answers are important for the preparation of the upcoming CBSE Class 9 Science ...

NCERT Class 9 Science Book PDF: The National Council of Educational Research and Training (NCERT) has revised the Class 9 Science NCERT Book with the deletion of certain chapters and topics to reduce ...