A heavy storage cabinet has four feet. The area of contact of each foot with the floor is YYY.
The feet of the cabinet leave dents in a soft wooden floor. Conforming to the behavior of the wood, these dents become deeper with increased pressure.
What would reduce the depth of the dents for a cabinet of a fixed weight?
using three feet, each of an area smaller than YYY
using three feet, each of an area the same as YYY
using four feet, each of an area smaller than YYY
using six feet, each of an area the same as YYY
188 exam-style questions on CIE IGCSE Physics Pressure, covering Pressure. Each one has a worked solution and a mark scheme showing where the marks go.