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 Form 1 Physics Questions and Answers on Pressure

Figure 2 shows two cylinders containing a liquid and connected with a tight-fitting flexible tube. The cylinders are fitted with air-tight pistons A and B as shown.
figpressure18520201210.JPG
When equal forces, F, are applied on the pistons as shown, it is observed that piston A moves up while B moves down. Explain this observation.

 (2m 2s)
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