Some important definitions Displacement R=Reio Linear displacement:All particles of a body move in parallel planes and travel by same distance is known as linear displacement Angular displacement:A body rotating about a fixed point in such a way that all particles move in circular path is known as angular displacement y AImaginary axis Real axis ME357 Design Manufacturing llSome important definitions Displacement θ Linear displacement: All particles of a body move in parallel planes d t l b di t i k li di l t j R e θ R = an d travel by same di s tance is known as linear displacemen t Angular displacement: A body rotating about a fixed point in such a way that all particles move in circular path is known as angular way that all particles move in circular path is known as angular displacement ME357 Design & Manufacturing II