Force and Pressure

Question 1:Figure 1 shows two vehicles moving with the same velocity and producing two different pressures, P0 and P1. (a) Which pressure is lower?(b) Explain your answer in question 1(a).(c) Why is the situation of the two vehicles shown in Figure 1 dangerous? Answer:(a) P1(b) When air flows through the narrow space between the two … Read more

Question 1:State Pascal’s principle. Answer:Pascal’s principle states that the transmission of pressure exerted on a fluid (liquid or gas) in an enclosed system is uniform throughout the fluid and in all directions. Question 2:State the basic principle of the hydraulic system. Answer:The basic principle in a hydraulic system is the transmission of pressure in all … Read more

Question 1:Diagram 1 shows an experiment to study Bernoulli’s Principle.(a)(i) State one observation of the water level in Diagram 1. [1 mark](ii) State one inference that can be made based on the observation in (a)(i). [1 mark](b) State the responding variable in this experiment. [1 mark](c) Based on this experiment, state the operational definition for … Read more

Question 2:Diagram 1 shows an experiment to study the relationship between upthrust and the weight of water displaced.(a) Based on Diagram 1, state the weight of object in water and write down your answer in the Table below. [1 mark](b) Observe Diagram 1. Compare the weight of object in the air and in water. [1 … Read more