Clone of SPM Try Exam of the Perak State year 2003: Paper 3 / Section B/ Question 2

Notes: MV -manipulated variable; RV-responding variable; C- constant

Two twin brothers, Micheal and Jackson, of the same size, are swinging happily on the swings at a playground as shown in the figure above.
However, the ropes that is holding the swing where Micheal is sitting is longer than Jackson’s. And, Micheal notices that his swing is swinging slower than his brother, Jackson.
Using this information;
(a) make a suitable inference,                                                                          [1 mark]
(b) state one appropriate hypothesis that could be investigated,                    [1 mark]
(c) describe how you would design an experiment to test your hypothesis using a bob, strings and other apparatus.
      In your description, state clearly the following:
(i)                 aim of the experiment
(ii)               variables in the experiment
(iii)             list of apparatus and materials
(iv)             arrangement of the apparatus
(v)               the procedure of the experiment, which includes the method of controlling the manipulated variable and the method of measuring the responding variable.
(vi)             the way you would tabulate the data
(vii)           the way you would analyze the data                                            [10 marks]