An automobile vehose reling \( x \)-ties are to bo inferstected is placed on a platifarm which can be mored up \& down wire s.H.M. For the purpose of making proliminas 7 callelen It is aasumad that my body of Thy automobile laas 1 d.o if en The rootical direction \& mat it is supported hy \( ~ S u p p o n c r o n ~ s p r i n g i s ~ h i r y i n g ~ a ~ t o t a l ~ s t i \) Hhe total lamping force offered by the shock abserbors ic linoarly riccors and \( 6 kn s / m \). The body has a mass at 1 to 1 and mu tapros are assumud to ber rigid. If \( Ro \) platform ribratess with an amplitude of \( 25 mm \) and with a froqueney \( = \) That of the undampod frou froquent \( ~ o f ~ t h e ~ b o t t ~ o n ~ t h e ~ s u s p a n s p o ́ n ~ s p o i n g s , ~ s o t \) a) Amplitudy of motion of Tho body rolatire th Thet \( \pi \) The platporm. b) Abséluto amplitude
