Need for measurement: Units of measurement; systems of units; SI units, fundamental and derived units. significant figures, Determining the uncertainty in result. Dimensions of physical quantities, ...

Get the CBSE Class 9th Science chapter, Motion: Important Questions & Preparation Tips 2015. This will provide you with a very clear idea about what type of questions are being framed for the exam and ...

The iteration method of Antman and Warner for studying the dynamic stability of forced motion of circular rods is extended to study out-of-plane instability of such rods due to in-plane excitation.