A robotic research vehicle is deployed to study a hydrothermal vent at a depth of 3500 m below the ocean surface.
Suggest one reason why the hydrostatic pressure acting on the vehicle at this depth is significantly greater than the pressure it experiences near the surface at a depth of 20 m.
54 exam-style questions on Edexcel GCSE Physics 15.2 Pressure in fluids (physics only). Each one has a worked solution and a mark scheme showing where the marks go.