Qualitative research includes traditions associated with foundationalism, positivism postfoundationalism, postpositivism, poststructuralism, and the many qualitative research perspectives, and/or methods connected to cultural and interpretive studies.
A graphical representation below shows that the shaft will not work under a certain load.Methods to analyze steel shafts used in motor vehicles demand for higher technical skills so as to perform intended function proving to be uneconomical. The material specific product design analysis uses incorporation of software to determine the life of shaft when operating under fatigue. Change in design and material of shaft can help in sustaining loads at various rates of revolution of motor engine.