Chapter 3B Pressure
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Which is the unit for pressure? *
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Which would be least likely to sink into soft ground? *
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A boy is trapped in a large area of very soft mud. A man rescues the boy by crawling across a long, light board rather than by walking into the mud. What effect, if any, does the board have on the force and the pressure on the mud, compared with walking? *
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A small table weighing 40 N stands on four legs, each having an area of contact of 0.001 m². What is the pressure of the table on the floor? *
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Which object exerts the greatest pressure on the ground? *
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