PHYSICS - Trial Paper Collection

papercollection178 Diagram 8 shows the graph of force against extension for three springs P, Q and R.Rajah 8 menunjukkan graf daya melawan pemanjangan bagi tiga spring P, Q dan R.Force / NDaya / N120Q100P80R60402002 4 6 8 10 12Diagram 8 / Rajah 8Extension / cmPemanjangan / cm(a) (i)A law states that the extension of a spring is directly proportional to theforce applied if the elastic limit of the spring is not exceeded.Name this law.Suatu hukum menyatakan bahawa pemanjangan seutas spring adalahberkadar terus dengan daya yang dikenakan jika had kenyal tidak dilebihi.Nyatakan hukum ini.…......................................................................................................................[1 mark](ii) On the graph in Diagram 8, mark ' X ' at the elastic limit for each spring.Pada graf dalam Rajah 8, tandakan ' X ' pada had kenyal setiap spring.[2 marks]