A walker wears snowshoes so that they do not sink into deep snow. Which statement explains why the snowshoes work?
They increase the contact area, so the pressure on the snow is lower
They increase the contact area, so the pressure on the snow is higher
They reduce the walker's weight, so the pressure on the snow is lower
They reduce the contact area, so the pressure on the snow is lower
41 exam-style questions on AQA GCSE Physics 5.5 Pressure and pressure differences in fluids, covering 5.5.1 Pressure in a fluid and 5.5.2 Atmospheric pressure. Each one has a worked solution and a mark scheme showing where the marks go.