A deep-sea research submersible is operating at a constant depth where the external water pressure is uniform. One viewport (window) has a smaller surface area than a second viewport on the same submersible.
Explain how the force exerted by the water pressure on the smaller viewport compares to the force on the larger viewport.
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.