When a body or object moves in a circle, it is said to be in a circular motion. That is we can say that motion in a circle is a circular motion. When a body or object moves along a circular path, then ...

Newton's first law can also be used to explain the movement of objects travelling with non-uniform motion. This includes situations when the speed changes, the direction changes, or both change. For ...

In this article you will get CBSE Class 9 Science chapter, Motion: Important Questions & Preparation Tips for Semester Assessments - I 2017. All the questions have been prepared to cover most of the ...