Page 35 - SP015 Past Years PSPM Chapter 1 -5 Ver.2020
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PSPM SP015



                     PSPM 2013/2014  SF016/2  No. 3(b)

               20.
                                                       65

                                                      P
                                                             O
                                                                   Q


                                                     15 kg



                                                        FIGURE 4.15

                     FIGURE 4.15 shows a 15 kg load held in equilibrium by ropes, P and Q fastened to the
                     ceiling and the wall respectively.

                     (a)  Sketch a free body diagram at point O.                                    [3 m]

                     (b)  Calculate the tension of ropes P and Q.                                   [4 m]





                     UPS 2015/2016  SF016  No. 3(a)(ii)

               21.

                                                      60

                                                      T 1

                                                                 T 2



                                                                 W


                                                      FIGURE 4.16

                     FIGURE  4.16  shows  a  4  kg  block  hang  by  two  light  strings.  The  system  is  in
                     equilibrium. What is the tension in each string?                               [4 m]







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