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PHYSICS SCIENCE PAPER 1 (2 hours) Answer to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent reading the question paper. The time given at the head of this paper is the time allowed for writing the answers. Attempt all the questions in Section I and any four of the questions from Section II.. The intended marks for questions is given in the brackets [ ]. SECTION I (40 marks) Question 1 (a) The diagram given below shows a fishing rod. (i) Copy the diagram and indicate the direction of load, effort and fulcrum. Also, state the class of lever this belongs to. (ii) Mention another simple machine present in the fishing rod. [2] (b) Consider the following system of pulleys. This system is used to lift a load of 400 N against gravity. (i) State the purpose of the pulley P. (ii) Calculate the mechanical advantage and the velocity ratio of the system if the efficiency of the system is 80%. [2]
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