Is Wajib Mandatory?

Is Wajib Mandatory? Wajib is the obligatory activities within a Fard ritual/duty. For example, while Salat is Fard but Ruku and Sujud that constitutes the Salat are Wajib. What do we mean by wajib? In Islamic jurisprudence, an obligatory act, with failure to perform it being sinful. Wajib acts can be obligatory on every individual