In Figure 2(a) Abdul Rahman pushes a cabinet. In Figure 2(b) Abdul Rahman pushes two cabinets. He finds that it is more difficult to push two cabinets than one cabinet. Based on the observations, (a) make one suitable inference, [ 1 mark] (b) state one appropriate hypothesis that could be investigated, [1 mark] (c) describe how you would designed an experiment to test your hypothesis using a jigsaw blade, plasticine, G-clamp and other apparatus. [10 marks]

In Figure 2(a) Abdul Rahman pushes a cabinet. In Figure 2(b) Abdul Rahman pushes two cabinets. He finds that it is more difficult to push two cabinets than one cabinet. Based on the observations,(a) make one suitable inference, [1 mark](b) state one appropriate hypothesis that could be investigated, [1 mark](c) describe how you would designed an experiment to test your hypothesis using a jigsaw blade, plasticine, G-clamp and other apparatus. [10 marks]

Diagram (i) shows that the loaded lorry had a difficulty to stop before the line of the traffic light when its turn red compared to the empty lorry as shown in diagram (ii).

Figure below shows a car and a lorry stopping in front of traffic light. As the traffic light turns green, the car accelerates faster than lorry.